Best prc ls3 heads. LS3 Torq-R Cylinder Heads (SET) $ 2,304.

Best prc ls3 heads The all-new PRC aftermarket casting LS3 cylinder heads are designed to flow considerably more than a gm ported casting while keeping the port sizes smaller for improved port velocity. 615 lift) Ported Fast 90/90 SNL 4" CAI w/ 100mm MAF Kooks 1 7/8 long tubes w/o cats Magnaflow catback Tuned by Phoenix 526hp/499tq Jul 14, 2017 · The right head and cam package went a long way on the LS3 crate engine supplied by Gandrud Chevrolet. Oct 7, 2009 · PRC CNC Ported LS3 Heads Going on the Engine Dyno Today!! Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5. i just wanted to get some of your guys opinions on the TFS as cast heads. I would be interested to see what Chris frank could do w the gen x 255 head Mar 22, 2011 · A bigger motor needs better heads. I really like my prc ls3 heads. $3,095. 660" Spring Kit and Titanium Retainers $ 1,899. PRC LS3 Aftermarket 6-Bolt 260cc CNC Cylinder Heads The 255cc cylinder heads are an excellent choice for the factory short-block customers while the 260cc heads are ideal for forced induction and larger cubic inch setups. 2L LS3 L99 LSA LS9 L92 L76 L77 L96 LY6 TSP Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Apr 2, 2020 · Two intake manifolds were used; the Edelbrock Performer RPM LS3 is shown and was used on the rectangle-port EQ heads, while an Edelbrock Performer RPM LS1 intake was used for the cathedral-port tests. 00; FED (YOUTH) Vintage Drag Toon - Premium T-Shirt - Black $ 24. LS3 and LS9 blocks can use LS1, LS6, LS2, LS3, or LS9 heads. Bump the compression up a but and have better valve clearance than stock ported heads too. The new PRC as-cast intake port has been flow bench tested to flow 369 CFM & can support everything from smaller camshaft street engines all the way to all out race engines. I put those same PRC heads on a stock bottom May 14, 2016 · C6 Tech/Performance - Best Heads for Cammed LS3? - I recently bought a 08 Corvette with bolt ons and a small cam 226/232 112 lsa. The PRC's also allow you to choose your combustion chamber size. RHS Pro Elite CNC-Port 6-Bolt Cylinder Heads for GM LS3 Engines utilize the popular LS 6-bolt head design Oct 20, 2021 · Did I make the right choice choosing Frankenstein M311 heads over the Texas Speed PRC 260cc heads? The M311s are currently installed now and just waiting for custom pushrods to arrive. As we have come to expect of the LS3/L92 heads, the exhaust flow lagged behind the intake significantly at 226 cfm. The result is a cylinder head that is smaller than a stock GM LS3 port and moves more air than any other ls3 cylinder heads! The all new PRC aftermarket casting LS3 heads are the perfect option for customers looking for the ultimate in LS3/L99/L92 cylinder head technology Your New AFR Cylinder Heads Package Includes . If you are looking for great factory style replacement/upgraded LS3-style cylinder head, look no further than these fully CNC ported Brawler cylinder heads! Brawler LS3 Style CNC Ported Cylinder Heads w/ TSP . HOW TO MAKE MORE LS3 POWER. Ls7 heads would be my choice. AFR 260cc Mongoose Rectangle Port Cylinder Heads (Pair) 6 bolt cylinder heads; Complete 5-Axis CNC port & polish program; 8mm Bead Lock Intake Valve, 2. For LS3/L99/L92/LSA/LS9 applications requiring a high flow aftermarket cylinder head at a competitive price! PRC's stage LS3 and L92 Cylinder Heads come standard with the following options: All PRC cylinder heads are extensively researched and tested. TFS heads are great and you can get them with the NOS exhaust port etc. They will be going on a 427ci LS w/ a 2650 Magnuson Supercharger. of water restriction, or nearly 10 percent more than the stock casting. Basic build: 416, Kong 2650, Custom Stroker cam and FBO. lift (intake side) at 28 in. The PRC aftermarket casting LS3 cylinder heads are available in 2 different configurations: 255cc Runners for max effort stock cube LS2/LS3/L99/L92 engines looking for a 370cfm cylinder head that can be aggressively milled & still keep better than stock p/v The all-new PRC aftermarket casting LS3 cylinder heads are designed to flow considerably more than a gm ported casting while keeping the port sizes smaller for improved port velocity. LS3 heads can make the power as well and since I was on a budget and thought keeping my heads for porting would have been cheaper but the LS3 route was probably what I should've chosen. my na/n2o street motor is 11. On the PRC heads, I just put hoops in a set for a new Drag Week 199-SSPRC237CNC PRC 237cc CNC Ported Cylinder Heads. For LS3/L99/L92/LSA/LS9 applications requiring a high flow aftermarket cylinder head at a competitive price! PRC LS3 260cc CNC Rectangle Port Cylinder Heads. Dyno results produce 700 HP plus on pump gas. 600" x 5. 7L/6. 750" Deck CNC Ported Intake Ports, Exhaust Ports & Introducing the Brawler Series CNC LS3 Heads! The goal with the Brawler series cylinder heads are to provide a standardized on the shelf, in-stock cylinder that can ship out very quickly and to provide customers with an incredible bargain! If you are looking for a great replacement/upgraded LS3-style cylinder head, loo Sep 3, 2020 · Or you can go all out and buy the best and have LS heads for life such as Frankenstein, Mast Black Label, AFR, Dart, WCCH, Trick Flow & World. Brawler LS3 Style CNC Ported Cylinder Heads w/ TSP . Note: These are the non boosted version because I purchased before the boosted option was available. 7-1 comp and my turbo engine will be around 10-1. I know there are more expensive heads out there but these 2 seem to be the best bang for the buck. The first order of business was to run the 468 with the stock heads to establish a baseline. PRC's aftermarket casting LS3/L92/L99 cylinder heads come standard with the following options: NEW PRC 13-Degree Valve Angle LS3 Castings; Improved Piston-to-Valve Clearance For Extra Compression & Larger Camshafts; Smaller Than Stock Intake Port Volume For Improved Port Velocity; Manley Stainless 2. Now I don't buy into the stock Ls3 heads being too big, but I'm willing to believe ported Ls3's might be a little too much and change low speed driveability negatively. I would think that the 380+ cfm with a 255cc intake runner (tfs), would have better velocity than the 280ish intake runner that the ported ls3 head. NEW TSP WARTHOG CAMS - CHECK THEM OUT NOW. 040" or more, or for 5. Corvette & 2010 Camaro customers can now send in their heads to be ported! Product Description. Offered in several sizes and seat materials. This winter I will be installing a D1SC procharger. 3 small block. At 370cfm and slightly smaller than stock size runner it offers awesome flow & velocity. 900 Nov 18, 2013 · depends on goals. You're currently reading page 1 Besides, it will be a wise selection for a power adder application. 57. For the money you can't beat Darren Morgan's offer of "$595. Extensive CNC and dyno testing has resulted in one of the most affordable and powerful LS7-based cylinder heads available! Flowing up to 53 CFM more than the stock GM LS7 head, the all-new PRC cylinder heads offer both unmatched power and airflow! The 285cc runner is recommended for higher HP applications with a minimum bore size of 4. He has alot of info on LS heads and dyno tests. I would check out YouTube. 56 with the PRC's and the TFS heads have gone a best of 10. Each head has it's thing: Ls3 heads have more parts available cheaper, the cathedral head makes good power all around But old parts and they are not gonna make anything New like a 4500 intake or better said a*CID*. Page. PRC is hard to beat in terms of quality and performance per dollar. The new PRC as-cast intake port has been flow bench tested to flow over 320cfm & can support everything from smaller camshaft street engines all the way to all out race engines. PRC Aftermarket LS3 As-Cast Cylinder Heads – These PRC As-Cast LS3 Cylinder Heads are designed for improved airflow and combustion efficiency, providing maximum horsepower gains. im running a stock bottom end. 616" due to the weight of the intake valve. NEW PRC 13-Degree Valve Angle LS3 Castings Improved Piston-to-Valve Clearance For Extra Compression & Larger Camshafts Smaller Than Stock Intake Port Volume For Improved Port Velocity Manley Stainless 2. LS3 PRC Aftermarket 6-Bolt 255cc CNC Cylinder Heads All Precision Race Components (PRC) cylinder heads come fully CNC-ported and machined using state-of-the-art technology! MADE IN THE USA!! CAST All Precision Race Components (PRC) cylinder heads come fully CNC-ported and machined using state-of-the-art technology! MADE IN THE USA!! CAST IN THE USA!! MACHINED IN THE USA!! PRC's aftermarket casting LS3/L92/L99 cylinder heads come standard with the following options: NEW PRC 13-Degree Valve Angle LS3 Castings Texas Speed PRC 6. Backed by extensive R&D on the flow bench and engine dyno, our ported heads deliver exceptional airflow and proven performance gains. Retain that performance and save yourself time and worry by replacing your tired cylinder heads with Chevrolet Performance LS3 cylinder heads. Jan 5, 2010 · i am in the market for a good set of heads but without killing my pockets too bad. 2L LS3 L99 LSA LS9 L92 L76 L77 L96 LY6 TSP. My understanding is that the ls9 head has even more reinforcement over the lsa head, but both are rotary cast a356 which is basically the best material you're going to get, short of HIP'd or billet. Sep 1, 2011 · I didn't look up the specs on the PRC heads, but I was thinking they were ported pretty good, and I've heard some people claim the stock Ls3 heads were a little big for a stock Ls2. I can post specs later when I get home. 820" and larger bores. 550 Feb 15, 2019 · LS1, LS6 and LS2 heads feature cathedral shaped intake ports and measure 3. Look into the PRC 227s or some mamo ported TFS heads. PRC LS3 Aftermarket 6-Bolt 260cc CNC Cylinder Heads - All Precision Race Components (PRC) cylinder heads come fully CNC-ported and machined using state-of-the-art technology! Made in the USA! Mar 1, 2013 · The 255cc PRC LS3 head is a great option for ls3 head guys looking for the best possible ls3 port head available. Intake Port Volume: 281cc Exhaust Port Volume: 98cc Our 281CC LS3 / L92 / L99 / LSA head was developed specifically for the stock displacement LS engine to deliver improved cylinder fill in the lower RPM ranges while adding substantial airflow increase in the upper Ranges as well. 250" PRC Aftermarket LS3 As-Cast Cylinder Heads – These PRC As-Cast LS3 Cylinder Heads are designed for improved airflow and combustion efficiency, providing maximum horsepower gains. ” However, their thin cross-section allows for a high-velocity and smaller-volume runner design with excellent flow. 0L and 6. 3133'') Stem Diameter; 4. they arent the best but you still can make decent power with them. Feb 16, 2016 · This was thru TEA stage 2 243's, custom grind from EPS, unported FAST 92, unported LS2 TB. Obviously that is a lot of quality heads to choose from, which is where it pays to start searching for some of the Head Shootout videos. Examples of third-party manufactured components include but are not limited to: cylinder head/manifold castings, porosity and core shift issues, valves, valve springs, valve spring retainers, and valve LS3 Torq-R Cylinder Heads (SET) $ 2,304. Same CNC Porting As GM PRC Ported LS3 Heads (257cc Intake port) CNC 5-Angle Valve Job; Approx 71cc Combustion Chamber; TSP/PAC . What Is Included with Our LS3 Heads? Texas Speed PRC 6. 2 engines the LS3 heads have been proven to work extremely well in all N/A, Turbo & Supercharged engine applications. 165" Hollow Stem intake, 1. 2L Engines LS3 L99 LSA LS9 L92 L9H L94 L96 L76 L77 LY6 These 100% USA-cast and machined Precision Race Components The result is a cylinder head that is smaller than a stock GM LS3 port and moves more air than any other LS3 cylinder heads! The all new PRC aftermarket casting LS3 heads are the perfect option for customers looking for the ultimate in LS3/L99/L92 cylinder head technology. Sep 26, 2017 · Many choices for heads. We design and manufacture a large line of cylinder heads for LS1, LS3, LS7, LS9, LT1, LT2 & LT4 engine platforms. 165” Intake Valve 21-4N Alloy & 1. We both agree the Valves are not appropriate for my application and that will be corrected. Jan 12, 2022 · LS2 blocks can use LS1, LS6, or LS2 heads, as well as L92-style heads, which include LS3 and LS9 heads. EDIT: Flow figures included Chevy performance CNC Ported LS3 Heads: PRC LS3, L92, & LSA CNC Cylinder Head Porting (Customer Supplied Castings) Precision Race Components CNC Ported 6-Bolt 260cc Aftermarket Casting LS3 Heads & Cam CNC Ported | GM LS3 Port Cylinder Heads | 12675871-CNC When it comes to LS Performance, Who knows the industry better than GM Performance. 0L 6. I still don't have "enough" head for this monster. The cylinder heads will come Precision Race Components (PRC) offers cylinder heads and porting services that enhance power output and engine responsiveness. PRC cylinder heads have several long-standing records in the LS drag race community. Jun 22, 2021 · Once again, the two ported LS3 heads were compared to a pair of ported versions, in this case from Total Engine Airflow (TEA) and GM Performance. 165" x 5. Great option for 4. Jun 29, 2014 · Chris frank has a nice program for the stock ls3. Not sure of their status but they had them at PRI Show last Dec. We have now paired he most tried and tested production cylinder head on the market with the race winning experience of our industry leading CNC Cylinder Head machining team. 350” wide by 2. 550” tall, LS7 heads are 1. Sep 21, 2015 · LS3/L92, CNC. Fits 2007-Newer Rectangle Port LS-Based 6. Feb 13, 2013 · New Mods - Custom GP stroker cam, Non-boosted FED M311 heads w/ heads surfaced to 68cc to increase compression from 9:5:1 to 10:0:1, TSP LS3 roller tip rockers, Johnson 2110R Lifters, Fore Triple Fuel System, Melling 10355 oil pump, 6th Gen ZL1 Supercharger pump Jul 20, 2022 · Edelbrock has two new LS heads with super thick decks but they are altered valve angle. 00; LS3 Torq-R Porting Service (SET) $ 1,504. 700 lift. I like the idea of the thicker deck for nos on the tfs. These heads feature factory-correct intake manifold alignment slots—ensuring that the . The cylinder heads will come May 16, 2012 · I don't have any square port experience but wanted to disagree with the post claiming PRC heads are junk. If you are looking for more power and better performance from you LS or LT engine, look no further. Heads & Cam Packages. The company is known for extensive flow and dyno testing of all its heads as well as affordability. 250” wide by 2. Race Flo Intake Valve; LS3 / L92; 2. D x 2. pros? cons? or are the cnc heads really worth the extra grand vs extra hp/tq. 9"-4" Cylinder Heads the LS3 but the MSD Atomic LS7 is a high point among plastic long runner manifolds so that afr 12° mongoose heads - ls3 - 260cc - 69cc chamber - cnc ported - 4 bolt - assembled - afr1845 . 2L Cylinder Heads! Who better to port the factory LS3/L92 heads than GM, or more specifically, GM Performance Parts? With full CNC porting, the GMPP PN 88958698 LS3 heads offered impressive intake flow numbers, registering 354 cfm at 0. my goal is to get close to 450 to Chevrolet Performance CNC-Ported LS3 Cylinder Heads. 125". Both for the 600+ rear wheel horsepower in a natural way or the 1500+ horsepower in a forced induction insertion, undoubtedly the LS7 cylinder heads will be your best pick. LS3, 250 cc. 660" Dual Spring Kit w/ PAC Valve Springs, Titanium Retainers, Seats, & Seals CHE Bronze Guides Completely Assembled and Milled to Dec 14, 2014 · Both use factory castings, springs, valves. If you already have the intake to match the 243 heads, then go with the ported 243s. Add to Cart . Base prices on the heads differ almost $400. 60" stainless exhaust; Fully Assembled and Tested . 2L LS3 L99 LSA LS9 L92 L9H L94. I'd also like to know if any non-stock LS3 heads resolve the issue of oil pooling in the passenger head while road racing. Featuring A356 aluminum castings, titanium retainers and the highest quality components, throughout. AFR’s 260cc LS3 "Mongoose" heads feature 100% CNC ported intake, exhaust and chambers using our advanced engineering and flow techniques to produce the ultimate Rectangle Port head available today. The only differences I noticed were the PRC heads have the option to upgrade the springs and valves for an additional fee. Add 100+ horsepower to your GM LS or Gen 5 LT engine with a Texas Speed & Performance cylinder heads and camshaft package! 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! The all new PRC LS3 As-Cast cylinder heads are now available for customers looking for the ultimate as-cast LS3 cylinder heads available. 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 Aug 14, 2020 · Racing Head Service (RHS) introduces its new RHS Pro Elite CNC-Port 6-Bolt Cylinder Heads as a premium LS3 performance head, ensuring great power on high horsepower and boosted engine builds. Dyno result if anyone wants to share here's what I got 408 Nitrous car 300 to 400 shot with 4500 tb or should I stay with a cathedral port head Trickflow 245s and super Victor 4150 or I could get the super Victor LS 3 4500 flange intake with a good set of ls3 heads what's better for nitrous. 2L Engines LT1 L86 L87 (Not for LT4) Extensive CNC and dyno testing has resulted in one of the most powerful LT-based cylinder heads available! The all new PRC LS3 As-Cast cylinder heads are now available for customers looking for the ultimate as-cast LS3 cylinder heads available. 660 Spring Kit; TSP Titanium Retainers; TSP Stainless Steel Valves 2. 60" Exhaust Valves Billet Rocker Pedestals TSP . Mar 27, 2012 · Part one compared all the cathedral-port (LS1/LS2) heads on the market, and part two tested the available rectangular-port (LS3/L92) heads to see which flowed best and made the most power. Somewhere in the middle of the road is TEA, PRC, GMPP, etc. B. 512-863-0900. I am torn between AFR 260 and Trick Flow LS3 255 6 bolt heads. 60" Exhaust Valves Precision Race Components all new LS3 as-cast cylinder heads completed with CNC machined chambers & valve guides. Texas Speed & Performance have been at the forefront of LSX Performance from Day One! Responsible for setting & breaking almost every record, a major key to their success has been the R&D that goes into the Texas Speed Cylinder Head range AFR 12° MONGOOSE HEADS - LS3 - 260cc - 69cc CHAMBER - CNC PORTED - 6 BOLT - ASSEMBLED - AFR1840 . Difference Between LS3 & LS7. Fits 2014-Newer Gen V LT-Based 6. 8L and 5. i would atleast mill the current heads to give it more compression. Sep 24, 2015 · Cathedral port cylinder heads have been mistakenly dismissed by many in LS-series circles for being “old-tech. Built for high-performance, they pair perfectly with the Stage 2 camshaft to support the engine's potential. 00 to port them,valve job and mill them to what ever chamber volume you want. Dyno Tested 25+HP Gains Over Stock 6. add to cart . If you are looking for max effort and have a higher budget, I would go ported LS3 heads, fast 102 to match to help that higher lift cam breath. 2 LS3 As-Cast 257cc Rectangle Port Cylinder Heads 6. In the end if you want to play . 210" Intake Free Drop & 0. 0 & 6. The PRC LS7 cylinder heads is available with standard stainless valves, hollow-stem intake, and titanium intake valves. The all new PRC LS3 As-Cast cylinder heads are now available for customers looking for the ultimate as-cast LS3 cylinder heads available. The all new PRC 225cc As-Cast cylinder heads are finally available for customers looking for the ultimate as-cast cathedral LS heads available. 0L Engines All PRC cylinder heads are extensively researched and tested. just street cruising i would leave the heads. Ports look awesome. 165'' Diameter; 8mm (0. What would you guys suggest for heads? I've used Prc and Advanced induction before for a few Jan 27, 2014 · Not a LS3 416/418 stroker, but similar (this is not mine) LQ9 block 408 forged stroker dyno results PRC 237 heads (milled to 62cc) SNL cam (244/248 112+4 . All production LS blocks except the LS3 and LS9 feature a 4-bolt-per-cylinder head bolt layout, for a total of 10 head bolts per head. LS7, CNC. Run in stock trim with headers, no accessories and precise tuning using a Holley HP management High performance premium cylinder heads and components for LS & LT applications. 99. 653/. 95. 200" Overall Valve Length; 8 mm Bronze Valve Guides . FAST 102, PRC 227 Heads, 233/239 cam, 1-3/4 ARH LSXceleration XF3 LS3 280cc/68cc CNC Cylinder Heads - Bare 15-361000-2 6-bolt Rectangular Port (LS3) CNC Cylinder Head Pair w/ Billet Rocker Stands. 3L engines that have been machined . We source the best available components for our Products and perform quality control checks, we do not manufacture all components in house. So wanted to get some input before I buy, their web sites are no help as the test benches are set up differently. I had the PRC stg 2. The result is a cylinder head that is smaller than a stock GM LS3 port and moves more air than any other ls3 cylinder heads! Precision Race Components all new LS3 as-cast cylinder heads completed with CNC machined chambers & valve guides. PRC LS3 Cylinder Heads | 260cc | CNC Ported | 380+CFM Texas Speed & Performance have been at the forefront of LSX Performance from Day One! Responsible for setting & breaking almost every record, a major key to their success has been the R&D that goes into the Texas Speed Cylinder Head range known as PRC. The result is a cylinder head that is smaller than a stock GM LS3 port and moves more air than any other ls3 cylinder heads! The all new PRC 100% Fully CNC Ported 260cc Intake, 100cc Exhaust & 69cc Chambers Virgin A356 Aluminum Castings 6 Bolt Head Casting with Extra Strength Decks Advanced 11° Valve Angle for Maximum Flow & PTV Clearance 2. Mar 10, 2016 · Texas Speed & Performance is your one-stop shop for all LS and Gen 5 LT1 & LT4 performance parts and engines! We are among the largest LS and Gen 5 LT1/LT4-specific shops in the country, and we machine and assemble all of our engines, camshafts, and Precision Race Components cylinder heads in house! Texas Speed Brawler LS3 257cc CNC Rectangle Port Cylinder Heads. Fits 2007-Newer Rectangle Port LS-Based Engines 6. 125” high by 1” wide. 3 heads and swapped them for TFS 215's and picked up zero ET or MPH on a 347ci engine. Both runner sizes have runners smaller than the factory LS3 cylinder heads, so the better port velocity will yield better low-end and mid-range power and overall response. 99; FED Billet Gen IV Valley Tray $ 249. 40” tall. you gotta pay for the aftermarket quality stuff. Designed specifically for 6. Not a lot to be gained with a 6. 2L Cylinder Heads! The flow data below shows the superior performance of the PRC LS3 and L92 cylinder heads! Mar 31, 2023 · I would go for the ls9 heads or PRC ls3 heads. 96; Quick Navigation Sign-up – Ready to Ship Notifications PRC LS3, L92, & LSA CNC Cylinder Head Porting - PRR-199-CNCPORTLS3 Tons of R&D on both the flow bench & engine dyno has created one of the leading LS3/ cylinder heads available! The PRC LS3 cylinder heads porting for customers with existing LS-3 cylinder heads. Our testing has shown over 30 hp increase while improving torque below the curve. PRC offers its own aftermarket casting. The LS3, LS7 and L92 heads feature rectangular intake ports measured at 1. Feb 26, 2014 · I was leaning towards TFS, PRC 255's, or PRC's new as-cast LS3 head (depending upon the details). I plan on getting heads for it very soon. com The all new PRC LS3 As-Cast cylinder heads are now available for customers looking for the ultimate as-cast LS3 cylinder heads available. V. me i would grab some tfs heads or get some worked ls3 heads. These Chevrolet Performance Parts CNC-ported LS3 cylinder heads flow more than 350 cfm at 0. 600 in. The deck is very thick. 750". 195" Overall Valve Length; 8mm Bead Lock Exhaust Valve, 1. Between these two PRC Rectangular Port cylinder heads, which one should you LS3 PRC Aftermarket 6-Bolt 255cc CNC Cylinder Heads All Precision Race Components (PRC) cylinder heads come fully CNC-ported and machined using state-of-the-art technology! MADE IN THE USA!! CAST Find RHS Pro Action LS3 Rectangle Port Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! RHS Pro Action LS3 rectangle port cylinder heads are premium replacement heads that utilize the same architecture as factory. 2L Engines LS3 L99 LSA LS9 L92 L9H L94. 185" Intake, 1. HOW MUCH POWER ARE AFR LS3 HEADS WORTH? HOW MUCH POWER ARE TFS LS3 HEADS WORTH? WHO MAKES THE BEST LS3 HEA The all new PRC LS3 As-Cast cylinder heads are now available for customers looking for the ultimate as-cast LS3 cylinder heads available. Fits 1999-2013 LS-Based Engines with 3. Transform your GM LS3/L92 cylinder heads into high-performance powerhouses with our professional porting service. Facebook; Twitter; Instagram; Google+; My Account; Login PRC LS3 Cylinder Heads | 260cc | CNC Ported | 380+CFM. My best pass was 10. The result is a cylinder head that is smaller than a stock GM LS3 port and moves more air than any other ls3 cylinder heads! Oct 20, 2013 · C5 Tech - New PRC LS3 260cc Heads Fail, Great way to start a Wedding Day! - ***PRC / TEXAS SPEED UPDATE*** Alright it has become clear that PRC / Texas Speed did not sell a product to CPR that was defective that I then bought. Features: 6 bolt casting 11° Valve Angle 0. . 2L Engines LS3 L99 LSA LS9 L92 L9H L94 L96 L76 L77 LY6 These 100% USA-cast and machined Mar 30, 2021 · 199-SSPRC227CNC PRC 227cc CNC Ported Small Bore 3. HOW TO SWAP LS3 HEADS. PRC LS3 Aftermarket 6-Bolt 260cc CNC Cylinder Heads Mar 11, 2014 · 2005 GTO SAP PBM M6, Red Interior, Flat Splitter, "Pedders Steering rack, GTO supercar coil-overs kit, Full bushing replacement," GMM Rip-Shift, "DSS 2-piece 1000hp drive shaft, axles, C. These 100% USA-cast and machined Precision Race Components cylinder heads feature 260cc fully CNC Ported intake runners and a 13* valve angle, making them the highest flowing rectangle port heads in the PRC lineup. Dyno tests have proven that comparable aftermarket cathedral port heads […] Product Description. Feb 16, 2020 · If you want the best heads dont get stock ported heads. 60” Exhaust Valve 23-8N Super Alloy 0. 5 5. TX Speed PRC heads (LS3) I've had a couple customers drop valves within 100 miles of startup. 502" O. PRC LT1 Aftermarket Casting 312cc CNC Cylinder Heads. One is a LS3 port and other is a LS7 port. shafts" Eaton true trac 3:91 diff, Mini Tub with 18x10 OEM 18's, BMR sub frame, ls7 clutch, Tick Clutch Master, Non-Sponsor's PowerChamber, ported 90mm T. For a street car, this design means excellent throttle response, torque and average power. The LS7 blocks can accept any LS head. The all-new PRC aftermarket casting LS3 cylinder heads are designed to flow considerably more than a gm ported casting while keeping the port sizes smaller for improved port velocity. afr 12° mongoose heads - ls3 - 260cc The XXTREME LS 260 is the big boy on the block for as-cast LS Head technology. Requires 4″ bore minimum and LS3 intake rocker. Sep 16, 2014 · anybody running the PRC 260cc LS3 heads. PRC 220cc As-Cast Cathedral Port 15-Degree LS Heads . The result is a cylinder head that is smaller than a stock GM LS3 port and moves more air than any other ls3 cylinder heads! Feb 27, 2023 · An LSA/LS9 head also weighs about 2-3lbs more than the 821/823 LS3 head castings. We can set you up by milling them for stock intake p/v clearance so you know you have the same p/v as a stock ls3 head. This head is for large bore power w/ a 63cc Combustion Chamber. Equipped with stock LS3 heads, the stroker produced 692 hp at 6,500 rpm and 625 ft-lbs of torque at 4,900 rpm. This means all stock components will fit without modification. If you are going to run the stainless steel intake valves, PRC recommends limiting total valve lift to no more than . better grade aluminum and rotocast but the decks are still not . 660" Dual Spring Kit w/ PAC Valve Springs, Titanium Retainers, Seats, & Seals CHE Bronze Guides Completely Assembled and Milled to PRC LS7 Cylinder Heads | 285cc | CNC Ported | 400+CFM Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Texas Speed PRC 6. Whether you’re upgrading an LS1, LS2, LS3, LS7, L92, L99, or the latest LT engines, our selection ensures you get the best performance gains for your build. LS7, 285 cc. i have already bought all the supporting mods for heads to include the roller rockers and such. PRC LS3 As-Cast 257cc Rectangle Port LS Cylinder Heads Fits 2007-Newer Rectangle Port LS-Based 6. Look up a guy named Richard holdener. hlt ajwp zxa ujq pmol vpbhc xzgtvz kphb lkjyamj bixyg