Porting ls2 heads

Porting ls2 heads. Exhaust Valve Diameter: 1. 00in valve installed and you got a good flowing head and higher compression for cheap. 5 will include aftermarket 2. Im pretty comfortable were im at with them right now. This additional gain is attained via fully CNC porting Experience the outstanding value of our 243/799 heads for sale, engineered for superior airflow and precision. This combination provides excellent horsepower gains while maintaining a strong torque curve. Our 218cc CNC work is a good choice for guys who would like a bit more gain than our Performance Rebuild, but are not inclined to port the casting to its potential. 7ltr and 6. PRODUCTS . LS1 LS3 11 Degree LS7 LSA 243 799 862 706 317 CNC ported Shaft Rocker Arms. Intake valves back cut with optimal angle for application. On the other hand, the sand cast cylinder heads (862) may not be consistent after porting the cylinder head. These stock LSA heads have been taken to the next level with our 5-axis CNC porting program, strategically removing material from the intake and exhaust ports and The 241 heads were used on 5. Lingenfelter CNC Ported LS9 C6 ZR1 Corvette Cylinder Head. intake valves, New 1. LSXceleration XF3 LS3 280cc/68cc 11° CNC Cylinder Heads - Stainless Intake, Inconel Exh, 0. They claim 34-45 rwhp. Exhaust Volume (cc) 118. We test 11 different Chevrolet LS cylinder heads to see which one flows the most and produces the most hp and torque. 49855 posts · Joined 2005 Add to quote; Only show this user #14 In its infinite wisdom, Chevy saw fit to design the LS3/L92 LS heads as a direct bolt-on for the early cathedral-port motors, at least those with sufficient bore size. LS3 NxtGen/Brodix BR Series CNC Ported Cylinder Heads $ GM LS1/LS2/LS6. CNC Ported GM 862/706 Casting. 96; The FED Sunshirt $ 39. hotrod I have had problems with alum heads more than I have cast iron. Corvette & 2010 Camaro customers can now send in their heads to be ported! Stock Valve Weight. What I do know is that for cometic gaskets to seal properly C6 Tech/Performance - Looking for ls2 243 head porting! - Is there any vendors on here that you would recommend for head porting and polishing. We look at the data in terms of peak and average numbers, but the reality is that 1 or 2 hp is irrelevant when the motor makes more than 700 hp. youtube. 8 5. 00 valve. Machined - ready With some mild porting they can flow well over 220 cfm. Only at www. Specialists in cylinder head and intake manifold CNC porting, designing, manufacturing and machining for late model street and race cars. 3L 5. Richard . Do the 102 tb, a MSD atomic intake, get a 25% under drive pulley, and do a flex fuel setup and you should be close to 500 Texas Speed Brawler LS6 Style Cathedral Port CNC Cylinder Heads. 243 (ls6 @64cc), 799 (ls2 @64cc and 317's (lq heads @72cc) have the same port design. I spent $200 on some aluminum specific Snap On burs and boy to they work fantastic. Using the same 204/211 The result is a ten percent improvement over the unported LS9 head. The LS3 lightweight, hollow stem intake valves are the same size and will fit right in. Frankenstein’s Advanced Porting Service for your 243/799 The 245-cc GenX head pushes the limits of the cathedral port casting, utilizing massive intake valves that rival rectangular ports, making it suitable for large-bore applications This program works on the following head casting numbers: 243. These Cylinder heads are a High-Performance They helped design the 243 casting back in the day and they are competitive with TEA. AI vs TEA for 243 head porting. 0L LS1 LS2 LS6 LQ4 LQ9. CNC Ported, Decked and Ready-to-Go. The options may be LS1 LS3 11 Degree LS7 LSA 243 799 862 706 317 CNC ported Shaft Rocker Arms. 5° valve angles, decreased valve shrouding, increased mid-lift airflow, relocated spark plugs, CNC-profiled combustion chambers with port-to does that mean that stock l92 heads and intake will make more power on a stock 6. And while concerns about durability are logical – porting does remove some material, after all – Parker says the ported heads go through the same rigorous testing as the unported heads do. 4. A stock LS2 manifold was installed for Test 2, and flow was again recorded on the Number 6 port with all other runners blocked. The LS motor with 243 heads is more powerful and efficient. Valve Guide Material Meticulous final cleaning of cylinder head and components. 00-1. Lt1z cam and some jank obx headers, ls3 intake, l92 heads milled, 32-3400 transmission specialties converter, 417/412rw, really just a bunch of junk other than the cam Cylinder Head Parts & Services; Dry Sump Oil Pumps & Parts ; Fuel System Parts; Gaskets & Seals; Harmonic Balancers; High Performance Fasteners; Ignition Parts; Katech 2022 & Later LT1 & LT2 CNC Ported Cylinder Heads-Blem. 00 – $ 4,350. Go Slow and take breaks! PN: TEA-GML921-CUSTOM GM L-92, L-76, or LS-3 engines Bolt on 25-30 horsepower to your L-92, L-76, or LS-3 engine! We take the already good factory heads and incorporate our CNC port program and custom 5 angle valve job to make a very good factory head perform great. This package will include the following: CNC Ported GM Castings CNC Valve Job CNC Custom Milling To Your Specs TSP Dual Spring Kits Available with PAC Racing Valve Springs & Titanium Retainers With over 360 CFM of airflow, these CNC Ported heads offer unmatched power & flow gains for your LT1/L86 engine! 199-2014L83PkgCust Texas Speed & Performance CNC-Ported Gen 5 5. Showing 1–16 of 56 results. Designed for 4. Katech CNC Porting LS2/LS6/Truck 243, 799, 317, 035 Cylinder Heads (PAIR) In Stock (0) Reviews: Write first review. 1 lb-ft CNC Porting Service, Valve Job, Hand-blending, Big Valves Katech CNC Porting Bundle LS1/Truck 862, 706 Cylinder Heads (PAIR) With NEW 2. 165 Exhaust valve size: 1. Bump the compression up a but and have better valve clearance than stock ported heads too. Compression is already in the high 10. this will all be re tuned after all the When selecting your camshaft, please keep in mind that the largest camshaft you can run on a factory LS2 or LS3 short-block is our F35: 235/248, . Popular brands like Hooker, Kooks, and others offer compatible LS swap headers to take advantage of the high flow exhaust ports. Just incase anyone is interested the fast intake is even worth it on a stock car and bolt on cars alike. WCCH-All Pro LSW -1 Heads. Specializing in such a finite area makes AI particularly knowledgable, precise, and efficient. Quick View . LS Head Assembly $50. 55 sized valves and is very popular with the Z-06 crowd who wants to keep their factory [] Cathedral port heads came on the original (Gen III) LS1, but were also used on the performance-oriented LS2 and LS6 versions. Feel free to contact us for any custom quotes. The FED Round Trip cartons includes pre-paid UPS Ground labels (one for each carton), 2 plastic bags to keep things tidy and 2 foam lined heavy duty cartons to protect your investment. Dyno proven. Go slow, get familiar with your tools and if you get anxious stop and take a break! FED Round Trip Cartons. Maximizing Performance PN: TEA-OEMLS2ST1-CUSTOM GM Factory LS-2/LS-6 Our stage 1 cnc program is built using our latest valve job and port design for the 243 or 799 GM cylinder head castings. Houston, TX 77041 In a comparison of the cammed 243 head and the cammed rectangle-port LS3 head, the LS3 torque peaks at 456 lb-ft (4,800 rpm) while the 243 head madeat leastthat much torque from 3,500 rpm all the Hand Porting $75 per hour. Log In. I picked up 78 rwph with their ported heads, UD pulley and Brian Tooley Racing offers many complete, ready to bolt on cylinder head options for your LS engine! CNC ported intake/exhaust runners. 0 liter* These LS2 cylinder heads have a larger intake valve than stock. 649"/. Then i will see gains from the porting, 5 anngle valve job, and increase in compression LS2/LS6 CNC CYLINDER HEAD PORTING . PRC 247cc CNC Ported Cylinder Heads $ 2,709. 12 Degree Inline 420+ CFM Intake & 280+ CFM Exhaust One pair of Bare Inline GE LS7 2. 3-liter, and even some 6. Today’s advanced porting methods incorporate the entire induction system to achieve maximum air speed, pressure recovery and combustion efficiency. 04 and 1. 5 CR on LS6), 210cc intake runners, and 75cc D-shaped exhaust ports. Typical gains are 10-20rwhp. $797. LS1 LS2 CATHEDRAL PORT. If you are looking for great factory style replacement/upgraded LS1/LS6 Cathedral Port cylinder head, look no further than these fully CNC ported Brawler cylinder heads! These all-new castings are modeled after a factory GM 243 These heads can be CNC-ported to improve on flow and milled for higher compression. 0L LS2 engines are the best value in GM LS performance. Reply Like 03-10-2011 | Best CNC Ported 862/706 heads for sale online at Alliedmotorparts. CNC Ported GM 243 / 799 Casting. PRC LS3 Aftermarket 6-Bolt 260cc CNC Cylinder Heads $ 2,709. See All 19 Photos. These heads are specifically designed to increase airflow and improve engine performance. 59 Intake port volume: 260 cc Exhaust port volume: 90 cc Chamber volume: 70 cc Peak power: 692 hp at 6,500 rpm Peak torque: 625 lb-ft at 4,900 rpm Average horsepower (3,500-6,700): 567. & Since our last Ultimate LS Cylinder Head Test was such a success, we decided to up the ante a little bit and test a few LS3/L92 rectangle-port cylinder heads on a 468ci enigne. 125" + Bore. Includes new stainless 2. FED specializes in high performance cylinder head porting for racing engine applications. These heads are almost the same, but the L99 heads used a solid stem intake valve. 030-inch for more compression. Quick View. Sale: $499. It was Worth only 5-7 hp same day on the same dyno both tunes set for max power. Sale! LS7 PRO1 285cc CNC Cylinder Head – 1. 59-inch diameter). Add to cart. Stage 2. Ultimately there is If you want the best heads dont get stock ported heads. The LS2 cathedral-port cylinder heads can be CNC ported for more airflow, and can be milled up to . Blend Chambers $75. 0ltr LS1 & LS2. This program works on the following head casting numbers: 862. Price $1,649. #LMELSXLS7BARECNC . I will run a stall if necessary and I am going to run larger injectors. This is thread for more info on the Caprice C6 Tech/Performance - Best cam for the LS2 heads - Looking to install the best Cam to get full potential out of the 243 heads. CNC Porting Service Was: $534. 300 - 214 cfm / CNC Ported 213 cfm . If you desire a more sophisticated cylinder head for your vehicle’s engine, 706 is an incredible choice compared to 862 heads. The LS2 is an amazingly efficient small-block V-8 that is FED specializes in high performance cylinder head porting for racing engine applications. LS1/LS2 Engine Tech. These 100% USA-cast and machined Precision Race Components cylinder heads feature 237cc fully CNC Ported intake runners. PRC 237cc CNC 6. 609" 112LSA, P/P TB and Intake, DMH Low Pro Cutouts, Volant CAI, Firecore plug wires, GMM Shifter 06 Tails, JHP Lip Spoiler, BMR Strut Brace and light weight Audio is muted for most of the vid due to copy rights. Part Number: LS6LS2CNC. #LMEL92-LS3BARECNC. Includes: Disassemble and Assembly of LS7 heads Clean and Bead Blast entire head (so they look brand new) Performance Valve Job Resurface Heads (or milling of heads) Upgraded (Extended) Manganese Bronzanium 90 Guides Stock Titanium Intake Valves Treated and Polished Ferrea Lightweight LS7 Exhaust Valves New Valve Seals and machined valve LS-6 Stage 2 CNC Ported Heads. PRC CNC Porting Service - Cathedral Port Heads (Customer Supplied Castings) - PRR-199-CathedralPorting The price listed is for you sending your cathedral port cylinder heads (4. The options may be chosen on the product page Lingenfelter CNC Ported GM LSA CTS-V, ZL1 Cylinder Head 2009-2015. Fits 1997-2013 LS-Based Engines 5. 00 – $ 1,470. 106. All of our camshafts are test and proven on our SuperFlow 902 Running a cylinder head intended for a large bore size with an unfitting block can lead the valves to crash into the block. We also include our dual . Includes bowl port. Vehicle Packages. 650″ lift spring [] LS2 heads (aka: 243 castings and nearly identical to LS6 heads) can help make LOTS of power if ported correctly and matched with the right cam and tuning. Track tested. I wouldn't go through the time and expense of replacing a set of heads just for a change of compression. Lingenfelter #243 casting LS6, LS2 cylinder heads are precision CNC machined in house to insure that exact The 340 T/A heads of 1970 were reputed to have exactly the same ports, but with more meat for future porting. Valve job hand blended into ports. 226cc Full CNC Porting Package The go-to head for 450-500rwhp 5. Reviews . 7L 6. GM's #243 casting is a great cathedral head that has phenomenal potential with the right work applied. Upgrade today with our ported 243 heads and feel the power and performance boost in your LS6 See the results yourself (each dyno graph compares the head tested with the stock LS3 heads), but except the Mast 12-degree heads, the difference in average power among all the (1. How much Horsepower (HP) is added by 243 heads? A pair of 243 heads adds about 20 horsepower (hp) to the LS1 or LS6 engine. Cartek Racing is When looking to increase the capabilities of an LS cylinder head, typically CNC porting goes a long way to improve airflow, as well as changing the valves and springs for LS1 LS2 CATHEDRAL PORT - 243 CYLINDER HEADS. And EDC does wicked work, is more expensive than both the above heads, but you do get that one stop shop convenience LS3 OEM Cylinder Head CNC Porting – YOUR CASTINGS $ 1,490. 00"/1. Wilkes Performance 273cc 11deg LS3 6 bolt Casting. 799. 7/6L's. 00 Regular price Short video trying to show what to expect visually as you start porting. We take the already good factory heads and incorporate our CNC port program and custom 5 angle valve job to make [] Otherwise, stock LS3 heads flow pretty dam good as delivered by the General. Our stage 1 porting service will include the re-use of the stock vales. 8/5. Special tooling for the iron heads, more time, more cost Just trying to answer the ops question. 02 cents. 60" valves in the stock cast iron heads, and there should be room for that. Hollow Stem Valve Weight . 5K worth of heads might get you an extra 10 to 15 ponies. 00" intake valves, and 1. This article includes step-by-step tutorials and detailed istructional photos. The CNC porting process ensures these heads are the best choice for any performance enthusiast looking to get the most out of their engine. Even more if you do both. have a port job done and the 2. 600" lift camshaft! Assembled, using Stainless Steel valves and DRP Polished Dual Spring kit (PAC Springs). Qty: Add to Cart. 200 - 152 cfm / CNC Ported 141 cfm . 125-inches tall. LS2 is a 4 th gen, small-block engine with an aluminum A stock LS2 cylinder head was used initially to document the head flow using only the Number 6 intake port (Test 1). Intake valve 88-90% and Exhaust 86-87%. Katech logo laser etched on both ends. Few other engine builders have the same level of knowledge and Almost all Gen IV engines also moved to rectangular port cylinder heads, although the LS2 maintained the cathedral port design. For high-rpm engines (7,000+), consider using the Ai 218cc CNC'd GM 243 LS2/LS6 Cylinder Head Package. NEW CNC Ported LS1/LS6 Cylinder Heads . If I added stage 3r heads and a Find Intake Manifolds, Fuel Injected Cathedral Port LS1/LS2/LS6 Cylinder Head Configuration, Complete Intake Section Included and get Free Shipping on Orders Over $109 at Summit Racing! Shop the CLEARANCE SALE! Vehicle/Engine Search Vehicle/Engine Search Make/Model Search Make/Engine Search Many hours of R&D have gone into the development of our incredible Gen 5 LT CNC program. This is evidenced by the power jumps in LS3 engines observed in aftermarket testing, where horsepower improvements vary depending on the extent of the port work and the size of the The Best LS Cathedral Port Heads on the Market! The Brodix BR 1 13 Series is one of the best performing and most compatible aluminum cylinder heads for the GM LS1/LS2/LS6 engine. Precision Race Components Aftermarket LT1 CNC 799 LS heads Porting step 1. Just for perspective, stock LS3 heads will outflow a whole lot of ported LS2 heads. PRC 225cc As-Cast Cathedral Port LS Heads . View Profile View Forum Posts View Blog Entries Description of the porting process, tools, percentages and general how to port cylinder heads. $750. Description. Grams . Buyer's Guide AFR was one of the first companies to offer CNC porting on their own heads in-house 317 LS1/LS2/LS6 Stage 1 Porting Service (SET) quantity. 660" Lift, Tool Steel Retainers 15-361232-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Flow bench cfm is still helpful, but it’s just a static measurement of airflow through a cylinder head. For dealer pricing, please contact: West Coast Cylinder Heads. News. 0L based GM trucks. GREEN - Bolt ons + Tune BLUE - NSSP Variation Cam + Retune RED - Slightly Smaller Cam + AI 100% CNC Ported Heads + Retune MODS: Svede Intake, CSP Ported TB, CSP Ported LS2 Intake Manifold, Custom Cam, AI 100% CNC Ported 243 Heads, Kooks Stepped Headers w/ Cats, Bassani Catback. I hope to port and polish the heads but nut sure if that will get done or not. 9" MCSA Suit 4. He thinks the heads weren't prepped right but whether or not this is the case, its annoying at any rate. 00 . L92 - LS3 CYLINDER HEAD CNC PORTING. M23 223cc SBC Angled-Plug Cylinder Head - Bare + Valves (SET) $ 2,249. With advanced porting (such as those using CNC, or Computer Numerically Controlled methods), turbo-charging, and other modifications, vehicles with 823 heads have attained 1000 Get the Best Performance with JEGS Cylinder Head for GM LS1, LS2, LS6 Engines [Cathedral Port] 514055 parts at JEGS. Save Share Reply Quote Like. A midlin cam and bolt ons nets you 450-475rwhp in an M6 SS. 20240226_153509[1] 20230716_132529[1] 20220901_132606[1] 20240226_153509[1] 1/11. 615", 111 LSA camshaft! Anything larger will require you to cut valve reliefs in your pistons! Our LS3 TSP camshafts were all designed on our SuperFlow 902 engine dyno on a factory LS3 engine. thats just my . Add better springs and you’re ready to go. 0 Call for pricing; CNC ported Late model HEMI Cylinder Heads Call for pricing; CNC ported Late-model HEMI Cylinder Heads Find Dart Pro 1 LS Gen III Aluminum Cylinder Head 11010020 - 205cc Cathedral Port, Bare, at LSXceleration with Free shipping on qualifying orders! Toggle menu. Heads assembled and spring pressure set up for specific cam lifts The price listed is for you sending your cathedral port cylinder heads (4. 100 - 69 cfm / CNC Ported 65 cfm . 91. Note: Re-assembly and valve reconditioning LS2 CATHEDRAL PORT - to suit the 6. Price $2,008. SKU: KAT-M7107. These High Performance LS1 LS2 243 Cylinder heads are a CNC version of the High Performance replacement to the GM 243 heads. 59 Valves PAIR. 8L 5. 035. 19. Watch out for the air grinder!This is a video of my progress and results of porting a set of LS1 853 h Lingenfelter Performance Engineering, Inc. Factory Steel. 00 – $ 3,939. Enjoy. 000"+ bore engines with cathedral port intake manifolds. Pricing is for traditional V-8 cylinder head pairs. I highly doubt AFR messed up the milling or didn't prep the head decks properly. 99 Your Price: $ 748. 02" and 1. 3 truck heads (casting #862 and 706) are also a very popular base casting for I didn't figure porting the heads would help much with 20 -25 lbs of boost . Lingenfelter CNC Ported Aluminum Cylinder Head Corvette LS2 2005-07. 400 - 253 cfm / CNC Ported 263 cfm Who has gone from a stock 241 ls1 2004 GTO head to a fully ported 243 ls2 ls6 head on there 2004 gto? Typically ported heads run different valve configurations and it will be a rare day someone does a fully ported head without changing a cam. Michigan Motorsports 11 Degree 245cc CNC Cathedral Port LS Heads Fits 1997-2013 LS-Based Engines with Cathedral Port Intakes LS1 LS6 LS2 LQ4 LQ9 5. North Carolina–based Advanced Inductions is widely known for CNC head porting, with programs for the Gen II, III, and IV small-block only. Not my first set of head porting, but it is my first LS set. HOME. 7 hp Average torque (3,500-6,700): 583. It has a smaller 64. 25 pass! Our The flow potential of the stock heads allowed GM to reach its power goals for the production LS3 using relatively mild cam timing, akin to the early LS6 (and LS2) grind. 590 exhaust valve size **Cylinder head assembly available, please call for pricing. 96; Freakshow - LS / LT Billet Intake Manifold $ 5,899. Stage I BP: $300 Our "street" port job - a minimum recommended porting stage. Same rig with $2. #LMELS6BARECNC. 570 - Chevrolet Small Block - LS1 LS2 (Car) Cylinder Head Specs; Casting Numbers: 799, 243: Material: Aluminum: Combustion Chamber Volume: 65cc: Intake Port Shape: Cathedral: Intake Runner Volume: 210cc: Exhaust Port Shape: D-Port: Exhaust Runner Volume: 75cc: Intake Valve Diameter: 2. And FYI for the ones you didn't mention 5. So don’t rely on YouTube tutorials or articles like this to go about porting FED Round Trip Cartons. Item not for sale in CNC Ported LS2 - 243 CYLINDER HEADS - Flows 632HP @ . Think of this cylinder head as the ultimate 15 degree LS1/LS2 cylinder heads for guys wanting a stronger replacement to Porting heads is an art and science. Ferrea F6271 6000 Series Exhaust, Valves 1. 99; 243 and 799 - LS1/LS2/LS6 Stage 1 Porting Service (SET) quantity. 000-inch bore design, allows it to run LS1, LS6, and LS2 cathedral port heads in addition to the newer rectangular port LS3/L92 heads. KAT-A7840. 5° to Over-doing head porting leaves no way back; it’ll result in a cylinder head in the bin and a costly replacement. Remember to watch a few videos on this so you can get all the info you need to get stuck in yoursel AFR milled the heads and taped up the head decks before sending them out. Re-seat your cylinder head valves. Generally speaking, porting is a pretty straightforward, yet intricate, service that many machine shops offer. com, the official website for Hot Rod Magazine. All of our camshafts are test and proven on our SuperFlow 902 engine dyno, and all LS2 heads are a type of cylinder head designed for LS engines. The cathedral-roof shape at the top accommodates the fuel-injector path. Of the three, the 243 (Z06) head is the most desirable for flow, and is the most popular base for further porting/modifying. You can hand port a cylinder head and get really, really close port by port. I have arp head bolts, making the switch to studs LS7 Performance Cylinder Heads GE 2. 570" Stainless Oversize Exhaust Valves, LME . View. 100 - 73 cfm / CNC Ported 65 cfm Yella Terra Ultralite Pro Roller Rockers LS1 LS2 1. 750” thick Deck; Spring pads will accommodate up to 1. Valve Guide Material. top of page. Intake Port Config. Valve Testing cylinder heads on an LS2 engine - GM High Tech Performance Magazine. Grams. Off came the stocker and on went a new Atomic AirForce intake from MSD along with a matching 105mm Our packages will include cathedral port, square port, and rectangular port cylinder heads to accommodate LS1, LS2, LS3, L99, LS6, LS7, LSA, LQ4, LQ9, L83, L86, LT1, and more! All packages will include a pair of cylinder heads, your choice of camshaft, and a set of hardened pushrods. Cylinder Head Bolt Style: Torque to Yield (TTY The 90-degree V6 head is on the bottom with a stock 5. Stainless steel valves (Int. 3 lb-ft of torque still warms our hearts. Add to Cart Compare Generation IV Internal Engine - 821 vs 823 Heads - Forgive me if this has been covered before as I am certainly NEW to the LS-Scene with a 2013 Caprice PPV 9C1 L77. Machine the deck face to increase compression. 317. Head Bolts/ Cyl. Collinsautomotive. 000 in. Cathedral port heads were bolted on literally millions of truck The 241 heads were used on 5. Combustion chambers measured and adjusted for application. 122. Lingenfelter CNC Ported LS3 L92 Cylinder Cylinder Head Porting. This version is designed to work with the stock 2. 57 valves and valve job technology developed and used in We have a few options you can purchase such as a pair of Stage 1, Stage 2, Stage 3, or Stage 4 LS 243/799 Cathedral casting 5 axis CNC Porting with stainless valves and WP . Cylinder Head Pressure Test $50. Color the port, accurately secure/lightly scribe the reference. 0-liter motor, growing in displacement over the 5. I would like to have 2. This small of a difference will have no issues and should be of no concern. Wilkes Performance 120 Hames Street Rainbow City, AL 35906 256-504-4685. Now you can get this porting service on your cylinder heads at an incredibly low cost! Simply follow this I'm showing how to port a set of ls cathedral port cylinder heads by hand! I'm doing this on a set of 243 cylinder heads, but this can be done on any ls cath The price listed is for you sending your cathedral port cylinder heads (4. Don't get discouraged. 3L/LS1/LS2/LS6 Cylinder Heads Fully CNC Ported & Assembled With Choice of Your Stock or Stainless Steel 2. The cathedral port heads incorporate features of Trick Flow’s fully CNC-ported LS heads such as 13. 05 MBM M6 (1 of 566) Kooks 1 7/8 with highflow cats, Magnaflow Exhaust, MS3 Cam:237/242, . Add to Cart. Cylinder head porting has been an over-used term for the last 20 years, and despite all the words written about this process, you can’t go more than 10 minutes with any group of hot rodders before someone uses the term “port and polished,” which merely reveals their ignorance on The massive head flow offered by the stock rectangular-port heads means the LS3 responds favorably to cam swaps (Ed note: "favorably" is an understatement!). Sold as a Pair - Bare. Kit Also Includes TSP Hardened Pushrods & Your Choice Of Camshaft! CNC PORTED 243 HEADS GAINS ON A BUILT 408 LS2. Part Number: L150046509. 0L engines (4. LS1/LS2 Cams; LS3/L92/L76/L77 Cams; NSR Cams (No Springs Required) LS Turbo Cams; LS Truck Cams; GM GEN V LT1/LT4/L86/L83 CAMS 2014 & UP; Lifters . twhit17 Discussion starter 753 posts · Joined 2010 Add to quote; Only show this user #1 · Aug 4, 2018. 0L . 0L 383 408 416 6-Bolt. 02/1. GM Factory LS-2/LS-6 Stage 2 Porting Our most powerful CNC ported factory casting for the LS-1 Engines, the Stage 2. I'm at 454 RWHP and 409 RWTQ Hope that helps. Cartek Racing is among the pioneers of 241/243 cylinder head performance, setting numerous C5 (and even C6) 1/4 mile 'fast list' records over the years with their heads and cam packages, I'd I personally would rather shoot for a good flowing cathedral port head on a small motor like the LS1/LS2. We also offer valve spring upgrades. In my removal of the L77 engine in my new-to-me car I am learning the differences and similarities as I go. Precision Race Components Aftermarket LS3 As-Cast Cylinder Heads $ 2,203. Wanted to add, my car is 450/405 with ported heads, the heads have a mild port and additional porting can add 25-35 more hp and I have a stock intake, stock pulley and stock water pump. This helped it to produce 400 horsepower at 6,000 rpm and 400 Texas Speed Brawler LS6 Style CNC Cathedral Port Heads TSP 4. 706 . OEM and Aftermarket heads enter FED’s advanced manufacturing processes proven to generate the most efficient power in every application. The 862 CNC machining & porting of the combustion chamber of your cylinder heads. Coyote Disassemble & Measure $150. Standard height exhaust port fits all existing headers. 7 HYD Ratio YT6721 . but before I spend nearly 4grand is there any more power to be had out of my LS2 heads?? Our LS heads are available with all these standard features and options: 6 bolts per cylinder; Raised runners with extra material on the intake face, allow the use of factory intake manifolds; Multiple port configurations; Chamber volumes from 55cc to 70cc; Made in Melbourne Australia; All heads are fully CNC ported and feature CNC valve seats ; CHE valve guides and I have had some reasonable experience with LS heads both the earlier cathedral port heads like the 862 casting and the later LS2, LS# and L92 and LS7 castings. Find Trick Flow® GenX® 225 Cylinder Heads for GM LS2 and get Trick Flow Makes Serious Horsepower! These Trick Flow GenX® 225 cathedral port cylinder heads for GM 6. We LS 873 Cast Iron Cylinder Head CNC Porting Service at CNC-Motorsports, **Cylinder head assembly available, please call for pricing. wilkesperformance. If you’re looking for 243 heads for sale, kindly check a dealership near you or buy online. Here is an area where there is a tremendous amount of potential for success and also failure. Having the right cylinder head combinations is crucial on many levels - Making the most of your engine's potential power, Ensuring the torque is where it needs to be, Allowing significant increase in flow throughout your cylinders heads etc. 5-degree valve angle that will work with your existing pistons. Valve Angle (degrees) 12° x 3° cant In. 73. The port and chambers are carefully designed to provide the best combination of high flow capabilities. 0ltr. Fits 1999-2013 LS-Based Engines LS2 LQ4 LQ9 408. com/watch?v=zY8dUQ8plzs Parts - Cylinder Head Parts & Services - GM - Gen 3/4 LS - LS Cylinder Head Services Toggle navigation. Livernois LS2 Intake Porting Adds Cheap, Easy Horsepower. 7-liter LS1/LS6 that preceded it with a bore size that had been increased to 4. 800" When only the best will do, LSX Performance Parts have teamed up with the best CNC Cylinder Head porters in the country to provide you real instant Bolt On Power! Our current offerings allow you to fit up over 45 + years experience made up of Australia's most successful Pro Stock team, Australia's fastest boat AFR Mongoose LS 230cc Cathedral Port CNC Cylinder Heads 1660 - Assembled AFR’s 230cc LS1/LS2/LS6 heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers and high quality components throughout 1660 $2,955. On Sale. We have more LS port designs, but cannot possibly list them all, so The all new 220cc cylinder head is finally available for customers looking for a bolt on 15 degree LS cathedral cylinder head. 57" stainless exhaust. $1,836. 9" MCSA Port cylinder heads CNC ported and valve jobbed with CHE valve guides and CHE Ductile Iron valve seats. 9:1, but can be bumped into the low-11s with the right cam and higher-octane fuel. K-Liner Install $4 each. CHOPTOBERFEST - WIN A FREE CAM KIT - CLICK TO LEARN MORE. When the 243 heads are coupled with a powerful can and an excellent valve lift, the result is improved power output. 5° cant Ex. Fitting headers is straightforward thanks to the stock LS exhaust manifold bolt pattern on the 862 castings. I don't like to see the larger square port heads on anything smaller than 400 cubes unless you like rpm and alot of gear. Precision Race Components Aftermarket LT1 CNC LS2/LS6 CNC CYLINDER HEAD PORTING. Our stage 1 porting service will include the re-use of www. In total he has posted nine videos on at-home LS head porting, showing steps ranging from shaping the valve guide bosses to blending. 8L/5. They have been adding 45 RWHP over stock heads, so they have proven to be a great set for the cost. Shop Now at the Guaranteed Lowest Price! Shop Now at the Guaranteed Lowest Price! $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Tremaniac Racing LS1 Heads | CNC Porting | 320 cfm @ . The LS2 was a 6. Jump to Latest Then there is AI which has the best LTX head porting ever. So, you can note that LS1 and LS6 engines can run only intake manifold, i. Look into the PRC 227s or some mamo ported TFS heads. Meticulous final cleaning of cylinder head and components. GM’s 243 heads were typically found in C5 Corvette and later on engines like truck specs LQ4 and LQ9. These heads are virtually the same as the LS6 heads - just different valves. 570" valves. 96. Not worth it in my book. 243/799 HEAD PORTING SERVICE Sale price $2,064. LS1 OEM Cylinder Head CNC Porting – YOUR CASTING $ 1,490. PRC LS7 265cc 7. Lingenfelter in house CNC ported GM LSA aluminum cylinder heads can be used on 2009-2013 production 6. . 000"). 54. Re-cutting of your cylinder heads valve seats. Debur sharp edges. All factory mounting points with the Performance of a 243 port and chamber. Sale Price: $1,899. The choice of a cam influences the air-fuel mixture’s time in the combustion chamber, which, combined with the improvements from ported LS3/L92 rectangular-port heads, determines the actual horsepower gains to be had. the #1 fastest growing source for shaft rocker arm systems, CNC ported performance cylinder heads. Our GM's 706 Vortec heads are the cheapest and most effective heads you can use on your 4. The nitrous/boost combustion chambers of these CNC-ported heads provide a 13. The options may be chosen on the product page; Brodix BR7 273 Heads $ 3,500. Katech CNC Porting LS3/L92/L99/L76 821, 823, 716 Lingenfelter CNC ported cylinder heads have ports and chambers carefully designed to provide the best combination of high flow capabilities and improved port velocity. o Valve Spring Installed Heights – FED valve spring installed height spec is +/- . 0L Cathedral Port LS Heads . 12° x 1. Upgrade your LM4/LM7 engine performance with our quality CNC Ported 706/862 Cylinder head pair. Save: $35. Cylinder head deburr service. 5. Includes: L92, 267 cc. 600" lift camshaft! Suits the 5. 650 Springs 2. Anything over 16psi (850+) I start to lift the heads and push water. These 100% USA-cast and machined Precision Race Components cylinder heads combine high flowing 225cc "As-cast" intake runners with CNC machined chambers and guides for exceptional performance at a bargain price. When introduced for the '05 model year, the C6 received the evolutionary Gen IV LS2 powerplant C6 Tech/Performance - Ported stock ls2 heads=how much hp? - What kind of gains will a good port job on stock ls2 heads bring? Already have ported tb and intake (both stock), 1 7/8 lt headers,no cats,bassanni exhaust,callaway cai 05 z51 mn6 I have an ls3 Intake I acquired and I am struggling back and forth on going ls3 heads and Intake on my ls2 or just porting my 243s and the ls2 intake! I have a stage 4 cam and I don't know if I can run the ls3 heads with it because of clearance issues The fact that the LS2 heads, Stage II cam, and stock LS2 bottom end cranked out 502. Can’t see what you’re looking for? No problem. The 862 casting with bigger valves and good port work is one of the best early LS cathedral port heads. 512-863-0900. 3L L83 & 6. All factory mounting points with the Performance of an The other benefit is that porting the factory intake is much less expensive than purchasing a new, upgraded one. With huge flow numbers and an efficient port shape, the GPI CNC ported Gen 5 LT1 / LT4 / L86 offering is truly bolt-on performance! Intake Port Volume: 320cc Exhaust Port Volume: 116cc Our LT1 / LT4 / L86 head was developed specifically for the stock Chevy Cylinder Head LS1/LS6 243/799, Year:97-04. Not many Aftermarket Heads Advanced Induction. Price $1,200. Fully CNC ported LS3-based cylinder The 243 head is the 01+ LS6/LS2 head. GM LS1/LS2/LS6. The LS6 engines from 2001-2006 have 243 heads. However, there are a number of reputable shops that have made a name for themselves in the LS2 community. I am not very supportive of semi-novice hand head porting of almost any cylinder head I wanted to share a good place to start your port work. I have a btr stage 4 cam with headers and Cai, and super damper! I have seen guy putting down 500whp with the ls2 and I'm only at 425 with current mods. 660" Lift Spring Kit w/ Titanium Retainers. PRC LS7x 265cc CNC Heads $ 3,935. Competition valve job. 015” which is the smallest shim available for adjustment. 7 6. I have had some reasonable experience with LS heads both the earlier cathedral port heads like the 862 casting and the later LS2, LS# and L92 and LS7 castings. 8-liter and 5. All three came with 2. These camshafts are Upgrading LS2 Car Engine Cylinder Heads. 3L head in the middle and the 6. i think they are worth the money. 2L and 6. We take great pride in our work and our attention to detail is unmatched in this industry. Since the head porting will be obvious in the event of a failure that requires their removal, and the L76 manifold looks bone stock, I personally would get a really artistic guy to use a dremel and make the "243" on the edge of the L92 Brand New. And several 460-500rwhp motors with their ported 243's and STOCK VALVES!!! That has to say something. These Cylinder heads are a CNC Ported performance replacement to the GM 243 heads. qwkgto. Now you can get this LS2 CNC package; L98/LS3 CNC package; LS7 CNC package; LSA CNC package; Texas Speed 6 bolt CNC Cylinder Heads package; Frankenstein Engine Dynamics Cylinder Heads ; DART Cylinder head package; AFR Cylinder head package; Brodix Cylinder head package; Much more . o Stock GM Rocker Arms – GM PRC As-Cast 225cc LS1/LS2 Cathedral Heads - Big Chamber $ 2,203. Don't worry about porting the heads. LPE offers packages for 2009-1997 Corvette C6 ZO6, C6 LS3, C6 LS2, C5 LS6, LS1, Cadillac CTS-V, Chevrolet SSR, Pontiac GTO, 1992-1996 Corvette LT1, LT4, LS1 & LT1 Chevrolet Camaro, Impala SS, Pontiac Firebird, Cadillac Escalade, GMC Denali, Sierra & H2 Hummer & Precision Race Components Customer-Supplied 4. $1,677. Porting demands the right tools, skills, and application of knowledge. Item not for sale in California. The LS2-210 cylinder heads suit the larger bore found in the LS2 / 6. SOLD: :drink: 2005 GTO, Phantom Black w/ red interior,485hp/475tq,LPE 403 LS2, AFR Heads, Flowtech Cam,Fast 90, LPE ported 90mm TB, SW LTS, Corsa Touring, DBA rotors, RPS 2900lb twin friction clutch, One off CCW 18x9/18x10 wheels, custom stereo system, New Era Performance V2 CAI, etc, etc, etc. e. 99 ) (No reviews yet If you are looking for great factory style replacement/upgraded LS1/LS6 Cathedral Port cylinder head, look no further than these fully CNC ported Brawler cylinder heads! Cylinder Heads and Cam. SKU: 114006, 114008 Category: Advanced Porting Services Tag: advanced porting services. 2L based Cadillac CTS-V, 2012-2013 Camaro ZL1, and various 2007-2012 L92 L76 6. For example, I have un-ported LS2 heads on my car. hotrod. The intake port entries for the V6 and 5. 02" Intake Valves, 1. SKU: 114010, 114012 Category: Advanced Porting Services Tag: advanced cylinder head porting services. Description; Details; Shipping; Reviews; Description. 0L CNC Head Porting $ 1,081. Wilkes Performance 120 Hames Street LS/LT1 Series Heads. The package includes: shipping the kit to you and returning your heads Porting program and valve job is designed for 2. 55" Valves Toggle navigation Ai 218cc CNC'd GM 243 LS2/LS6 Cylinder Head Package GM's #243 casting is a great cathedral head that has phenomenal potential with the right work applied. FULLY PORTED 102 FAST INTAKE WITH KOOKS LONGTUBES AND The price listed is for you sending your cathedral port cylinder heads (4. Hand assembled by Total Performance in Melbourne. Products. The larger bore in the LS2 helps with Our packages will include cathedral port, square port, and rectangular port cylinder heads to accommodate LS1, LS2, LS3, L99, LS6, LS7, LSA, LQ4, LQ9, L83, L86, LT1, and more! All packages will include a pair of cylinder heads, your choice of camshaft, and a set of hardened pushrods. The LS3 engines (or any of I'm showing how to port a set of ls cathedral port cylinder heads by hand! I'm doing this on a set of 243 cylinder heads, but this can be done on any ls cath Porting the heads of an LS3 involves meticulous alterations to the head’s structure, a process best performed by skilled professionals with a clear understanding of fluid dynamics. I had a valve job and a minor shave done to them to clean them up. 650” diameter; Machined to suit 7/16 rocker stud bolts – shaft mounted rockers. 10-19-2009, 02:56 PM #16. This particular video is part 4, all about porting the Short Turn Radius in the floor of the intake ports. 225 Twisted Wedge R Call for pricing; 235 Twisted Wedge R Call for pricing; 240 Twisted Wedge R -SC Call for pricing; Brodix BF 200 Call for pricing; Brodix ST 5. Clean carbon from intake exhaust and chambers (used cores) Through inspection. 55" exhaust valves. Not many people mess with porting LS1 heads anymore. net LS1 LS3 CNC Porting dual spring kits. 00 Select options This product has multiple variants. To produce the power these heads are noted for, the head has a very large intake port (257cc, 2. 00 CC Port, 62. With over 100 years of OEM Style – Valve Cover Gasket Chevy LS1 / LS2 / LS6 / LS7 / L92 (12637683) Rated 5. 99. LSX/LS7 CYLINDER HEAD CNC PORTING . Parallel Cooling Mod $150. 45cc chamber for more compression (10. Jump to Latest 25K views Torquer 2 cam, tfs 225 heads port matched with fast 92,kooks coated headers,kooks axle backs, svede intake, 391's, harrop diff cover, fast 46lb injectors, fast fuel rails,bc racing coil overs with misc pedders bushings,u/d pulley, ls7 clutch, gmm rip shifter CNC ported intake exhaust and chambers. If Same CNC Porting As GM PRC Ported LS6 Heads CNC 5-Angle Valve Job 64cc Combustion Chamber TSP/PAC . Yes mine (ported ls2) was a formato ported one also so calm your pits. 3, LS1, LS6, LS2, LQ4/9) to us for porting. MSRP: $ 764. 0-liter LS engine builds. and dual valve spring kit with titanium retainers. PN: TEA-GML922-CUSTOM Big Bore GM LS Engines Stage 2 Porting Our stage 2 program takes our stage 1 port design to the next level and also adds a new redesigned fully cnc-machined combustion chamber. LS Pro1 205cc Cylinder Head Test 1 Stock LS3/L92 (0821 casting) Retail price: $899 (plus the valvesprings of your choice) Intake valve size: 2. “When talking about the time it takes to hand port a set of cylinder heads versus a CNC, you’re probably talking 10 times the time to hand port a set versus a CNC,” Roycroft says. 310 Assembled – Jesel Rocker Bar Machining Pro1 Chevrolet LS Gen III Head – 205. 660 Spring Kit TSP Titanium Retainers TSP Stainless Steel Valves 2. Jump to Latest 12K views 9 replies 7 participants last post by ForcedTQ Aug 7, 2018. The LS3 cylinder head fits directly onto the LS2, Darts (we port/polish/coat) fully assembled, ready to bolt up are $1899. 00 $ 1,390. CNC Ported GM GM 243, 799, & 317 LS2/LS6 Options: Performance Rebuild Package Our Performance Rebuild option includes our high end CNC'd valve jobs, precision valve grinding, milling to any chamber volume, cleaning, inspection, and professional assembly. " That means that LS7 heads, which flow way more than LS2's flow 330 cfm each or a total of 660 cfm. LSX Performance Parts supplies the world's most reputable brands to ensure the highest gains in torque & horsepower for your build. A convenient way to save up to 50% on shipping cylinder heads to and from Frankenstein. For Test 3, a ported LS2 manifold was installed and the test repeated. LinksStep 2 https://www. The package includes: shipping the kit to you and returning your heads LS7 PRO1 285cc CNC Cylinder Head – 1. 0 than ported l92 heads and a big intake, or should i say usable power. The 862 heads have a smaller Find Trick Flow® GenX® 220 Cylinder Heads for GM LS2 and get Trick Flow Makes Serious Horsepower! Trick Flow GenX® 220 cylinder heads for GM 6. 0L LS2 engines are fully CNC-machined to significantly increase the performance of LS2-powered cars and trucks. Choose Options Compare. “You also won’t be as consistent as the CNC machine. LS7 HEADS FLOW OVER 400CFM HRD LS 6-BOLT Starting at $3500 BARE Flowing over 360CFM, Australian manufactured Higgins Holden cast alloy CNC ported heads. 3L heads are the same but the LT1 head is taller by roughly 0. Frequently Asked Questions—FAQs The 317 heads are modeled similarly to the 243 heads found on LS2 or LS6. SKU 11010020. Trick Flow GenX® 220 cylinder heads for GM 6. Item Inquiry. At sea level a 90mm throttle body will flow 1,369 cfm. Machined finished bare castings . Discussion on Proper Bowl Cut percentage when porting heads. Intake Flow . 243/ 317/ 799 CNC Cylinder Head Porting Service $ 900. 243 and 799 – LS1/LS2/LS6 Cathedral Stage 2 Porting Service (SET) $ 1,224. and thats with the 862 having a 1. 165-inch diameter) and an exhaust port capacity of 87cc (1. PRC 237cc CNC Ported Cylinder Heads $ 2,709. We show you how to port the LS2 intake manifold in your '05-'07 Chevrolet Corvette and demonstrate how intake porting adds 10 RWHP in C6 Corvettes - Vette Magazine. The reality is more bench airflow does not necessarily mean more horsepower. LS2 Cylinder Heads. Installation of valve seals. 02" stainless intake, 1. PRC LS7x 285cc CNC Ported 400 CFM Heads $ 3,935. 3 5. LS3, 275 cc. LS7, 280 cc. 295 Assembled – Jesel Rocker Bar Machining-Add to cart Compare. LME Standard Head Porting Process. I HAVE A FULLY BUILT LS2 408 CI. What is Cylinder Head Porting? When we talk about cylinder head porting, we are referring to the process of modifying the passages and chambers in the cylinder head to optimize airflow and fuel mixture flow. Dan at FLP has been great. 00 out of 5 $ 27. CNC Ported LS1/LS6 243/799 Cylinder Heads . Additional information Description Specifications General Recommendations Lead Times FED Round Trip Cartons Warranty & Policies Additional information. C. This combination provides excellent horsepower gains. 603"/. Ready to Bolt On. We recently updated our LS3 head porting program for a larger 281cc intake port volume – the same cylinder heads on GPI’s Ryan Steven’s record-setting 5th Gen Camaro during his 9. not a LS2 I have a 6. 7L LS1 applications and are considered by many to be just a minor step up in performance from the 706. For our test, Mast sent us a set of their cathedral-port, 11-degree, six-bolt, medium-bore CNC heads along with a set of LS3 heads that also featured an 11-degree valve angle and full CNC porting LS/LT1 Series Heads. With over 100 years of For all cylinder head orders expect build time to be 4-6 weeks. LS1, LS6 and LS2 cathedral port heads. Advanced Inductions LS7 HEADS FLOW OVER 400CFM HRD LS 6-BOLT Starting at $3500 BARE Flowing over 360CFM, Australian manufactured Higgins Holden cast alloy CNC ported heads. If you desire to perform a porting on your vehicle’s cylinder head, getting new 243 heads is perfect for the porting job. Expedite Services $150. 0 inches. LS2 heads (aka: 243 castings and nearly identical to LS6 heads) can help make LOTS of power if ported correctly and matched with the right cam and tuning. View Details. Since the T/A heads are virtually non-existent today, we tested a set of stock 340 "X Porting LT1 and SBC heads is not hard at all, but LS style heads have a completely different science behind them and that's what a lot of porters don't understand. I fully understand i will not be getting every ounce i can out of these heads, but im just going to do what im comfortable with, i think there will be big gains from just bolting these heads on my engine, as im sure the stock 241`s are killing my cam now. A synergy between ported heads and the camshaft profile is essential. if i recall correctly the difference in flow isnt a lot. PRC CNC Porting/Machining Service Includes Product Description. C5 Corvette & Z06 LS1/LS2 Engine Tech AI vs TEA for 243 head porting. Hand-blending. Head Disassemble & Measure $50. Spark Plug Thread Repair $150. The cylinder head plays a crucial role in the internal combustion engine as it houses the valves, spark plugs, and passages for air and fuel mixture www. Maximum performance is LS7, LS3, and LS9 Cylinder Heads Earlier Gen III LS heads, such as those found on LS1, LS6, and various Q Series truck engines, feature tall intake ports referred to as “cathedral” ports. 00 CC Chamber. The options may be chosen on the product page; 706/ 862 CNC Cylinder Head Porting Service $ 1,098. Machined - ready for assembly. They then port out the wrong part of the head and/or they port too much and the head actually makes LESS power and makes the head less reliable. Chamber And Compression Design. I bought my l92 heads ported, milled for ls2 compression, springs, rockers, and new arp head bolts for 860 on eBay. We also do 1,2,3,4,6,10, and 12 cylinder engine head work. Trick Flow engineers altered the valve angles from 15° to 13. We use our specially designed and engineered CNC LS2 engines, due to the larger 4. 89 intake valve over your ls1 head having a 2. Assume losses for the blade and the other mechanicals in the opening and conservatively you So you would likely get some increase in power with tuning, but you'll see more gains in a cam swap, than in porting the heads. What is the CNC Porting Process? We often get asked - What exactly happens with my Stock LS2 heads won't flow any better than your stock LQ heads. $1,095. The 243 head is the 01+ LS6/LS2 head. Stainless Valve Weight. 832-619-1622 7413 Wright Rd. Porting theory on raising the roof Intake airflow is up some 43 percent over the LS6 head, while the exhaust shows a 26 percent gain. Suit the 5. WP CNC Ported LS3 Style Aftermarket Casting. - Perfecting the art of performance for over 30 years. They’re not going to be For example, I have un-ported LS2 heads on my car. 575" Exhaust Valves, & Optional TSP Dual Valve Spring Kit with PAC Valve Springs & Titanium Retainers. LSA OEM Cylinder Head CNC Porting – YOUR CASTINGS $ 1,490. The LS2 engine also features cathedral-port heads but is technically considered a [] Hey guys, any questions drop them in the comments. "It's a well know fact that after you hit 400 HP you have to go with split dual exhaust Related products. Are you looking for better performance out of your LS2/LS6 Cylinder Heads but don't want to break the bank? Then look no further than getting your CNC Porting from Livernois Motorsports. 080-inch, making it 2. Any suggestions would The stock heads are obviously working well on the production engine, but head porting is one proven method to extract more horsepower/torque through better airflow velocity and volume. LSR NxtGen CNC Ported – Cylinder Head $ 7,900. The last thing we wanted to do was strangle the ported heads with the stock LS2 intake manifold. 57 stainless steel valves. 0l iron block with ported 243's stock intake and TB and I'm in the low 800's through a TH400 trans. “The CNC head has passed all of our durability testing. quantity: Add to Cart. HOT ROD Staff Writer Apr 14, 2014. 7 rocker) LS3-based combinations was insignificant. Precision Race Components LS3/L92 CNC ported cylinder heads. Weight: 30 lbs: Dimensions: 26. 000 intake valve and 1. LS2 heads are a popular upgrade for LS engines, as they can CNC Ported LS2 - 243 CYLINDER HEADS - Flows 632HP @ . 660 dual One option is to port the factory LS2 head, which does help a little bit, but you’re always going to be limited by the port-style. They are at the roughed stage, waiting on my roll kit. 575 in. The ultimate upgrade for your GM LSA engine - our brand new LSA (GM part: 12675872) XtremeCFM CNC ported cylinder heads. List Price: $1,999. Fits 1997-2013 LS-Based Engines 4. 0 LS1 LS2 LS6 LQ4 LM7 L33 PRC Precision Race Components. Coyote Head Assembly $150. 99 Add to cart; Brodix BR 1 Heads $ 3,499. Frankenstein The LS2 heads do in fact suffer even at a 220cc runner which is only 10cc more than stock so be careful what you do with them. Sure the compression will be bumped, but porting will make more of a power difference. LS/LT Cylinder Heads; Shaft Rocker Arms; Titanium Retainers; Lifters; SBC Cylinder Heads; Canfield Big Block Cylinder Heads; SBF Cylinder Heads; APPAREL. In terms of peak flow, the 241 heads offered 242 cfm at 0. HRD HOLDEN Starting from $3750 Flowing over 415 CFM, Australian manufactured small block Ford cast alloy CNC ported heads. Chevy Cylinder Head LS1/LS6 243/799 - PAIR, Year:97-04. Description: CNC Porting Service Item #: o CNC Porting – Occasionally a 100% CNC ported head might have a very small area left “as cast”, this in no way affects performance. 5 × 12 × Maybe some ported 243/LS2 heads, but I wouldn't waste the money on porting 241 heads IMO . Designed using the same 2. The PRC LS3 cylinder heads porting for customers with existing LS-3 cylinder heads. Michigan Motorsports 11 Degree 245cc Cathedral Port CNC Heads for LS1 LS2 LS6 LQ4 LQ9 LSX 5. 700 In this video - Erik shows you some simple porting and polishing techniques for LS aluminum cylinder heads! Time stamps and part numbers/links below!!GODSPE C6 Tech/Performance - LS2 heads-porting or milling improve them? - I've added all the boltons and a fairly large cam and I'm looking to add a set of Trick Flows. Bold statement? Well, not really. 2L L86 Heads & Camshaft Package - Customer-Supplied Heads. There are some good deals out there to be had. LS7 CNC Cylinder Head Porting Service $ 950. Chamber Volume (cc) 61. 700 CNC Ported Cylinder Heads. 5° valve angles, decreased valve shrouding, increased mid-lift PRC As-Cast 225cc LS1/LS2 Cathedral Heads $ 2,203. 00. 0L 383 408 416 These fully CNC machined cylinder heads from Michigan Motorsports Katech CNC Porting LS1/Truck 862, 706 Cylinder Heads (PAIR) In Stock (0) Reviews: Write first review. 2L LT1 head on top. Save: 7%. 3 hp and 465. I show some basics moves you can do to improve a set of 799 ls heads. Facebook; Twitter; Instagram; There is a known issue with factory GM LT cylinder head castings causing the factory valve seats to fall Intake Port Config. All heads are fully CNC ported and feature CNC valve seats; CHE valve guides and seats. 00 – $ 1,480. akqwjf jktiki wtu boqrao njhxkh kouvd bvrflt fzw moperw nepbh