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Rhs ls1 heads



GM Performance Parts for the lowest prices on the web. The 210 head utilizes 2. “The stock L92 rectangular heads work really well out of the box for production parts, so there was no need for us to go there. Buyers will save money, as they won’t need to order a full set of less common 1. Mar 30, 2017 · The RHS LS Race Block is the newest performance cylinder block on the market, and features the same six-bolt pattern as the GM LSX block. Power Automedia 70,179 views RHS not only has LS cylinder heads and the aluminum block, but accessories for the block as well. 250″ intake valves, a 1. Sep 26, 2011 · RHS has an existing line of cathedral port heads in both as-cast and CNC-ported, but for all-out power, the rectangular port heads are becoming more common. RHS® Pro Elite™ 3. Out perform the. Parts: • RHS Aluminum 4. RHS Pro Action Big Block Chevy Cylinder Heads 11011-02BARE Cylinder Head, 24 Degree, Aluminum, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each. 99 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! We also have a complete line of Texas Speed & Performance crankshafts, connecting rods, rocker arms, long tube headers, exhaust systems, and more. A variety of OE Gen 3 heads are available, including an iron small port (initially used on the 4. This Tech Tip is From the Full Book, HIGH-PERFORMANCE … The LS1 debuted in 1997 and was soon followed by the stronger and more powerful LS6. Oct 01, 2007 · Like many aftermarket sources, RHS offers its LS1/ LS2 heads in two port volumes, since one cylinder head is definitely not ideal for all applications. ” Dec 01, 2010 · Knowing we will be running a plethora of performance heads that exceed 300 cfm (enough flow to easily support more than 600 hp), we needed something more than your run-of-the-mill LS1 crate motor. com +1. CNC Sportsman Ported heads 280 cfm. RHS's CNC LS7 head is machined on a dedicated casting with extra-thick sections to maintain the proper wall thickness after porting. Please Click on the "Read More" link for additional details about this item. Starting with its HIP process cured 6061 aluminum casting, the dense All Pros are designed specifically for the extreme heat and pressures today's ultra high HP street machines produce. Katech will then port the heads and send the dissembled heads back to the customer. Black Label LS Cylinder heads are the highest quality best performing cylinder heads on the market for the LS platform. Dart’s New Race Series 10° LS cylinder head is the ultimate choice for maximum competition. 7-liter LS1 when you  Heads/Cam/Intake on an LS1: How Much Power?? by COMP Speed Secrets: RHS Cylinder Head Test Product Spotlight: RHS Pro Elite LS7 Cylinder Heads. In this test, we gained BIG power! Parts used: RHS Pro Action Cat RHS Pro Elite LS7 Aluminum Cylinder Heads. This affordable LS1-style head saves you the time and expense of having your heads CNC or hand-ported and combines a race-proven design with Clean Cast Technology™ to create “as cast” ports that flow like they’ve already been ported. Oct 22, 2014 · The LS1/2/6 cathedral port head design, while a huge advance over the previous generations of small-block Chevy heads, has largely been overshadowed in public perception by the Gen IV square port LS3 and LS7 factory heads. It has all the bells and whistles and even gives us information that we didn't even ask for. 05"/1. It is perfect for engine swaps and builds. Shop Billet Intakes. All of our Black Label heads feature . AFR’s, MONGOOSE, LS1 Cathedral Port cylinder heads are 100% 5-AXIS CNC ported and made with A356 aluminum. LS1/Truck: casting number 241, 806, 853, 862, 706; The cylinder head porting service has two options. They’re available fully CNC-ported or as raw castings. If you want to get more power out of an engine, you  We are experts at making tons of streetable horsepower and have performed 1000s of dyno tests on hundreds of engines to find the best combinations. The numbers are from our in-house flow bench. 205 diameter titanium intake valves, GM LS7 1. The more efficient RHS heads improved not only the peak values, but the power production throughout the rev range, from 2500 rpm to 6000 rpm. Late Model Engines, LME, specializes in high performance LS and new LT engine development. These 355-T6 aluminum, CNC-ported heads feature a 307cc intake runner, 98cc exhaust runner and 69cc chamber volume. The LS7 cylinder head is cast with identification number 8452 while the LS3, L92, and LS9 are 5364. Racing Head Service (RHS) 11011 - RHS Pro Action Big Block Chevy Cylinder Heads. 240" Deck Height Rough Honed to 4. 900″ Bore LS7 CNC-Ported Cylinder Heads are designed to use eight standard, LS1-style exhaust rockers and eight offset LS3-style style intake rockers and stands. All Pro LS7 12-1 6 Bolt Heads. The LS7 cylinder head is equipped with a single straight valve spring while the LS3, L92 and LS9 feature a tapered “beehive” shaped spring. Items 1 - 12 of 19 Buy LS7 Cylinder Heads and get Free Shipping on orders over $50! RHS Pro Elite 266cc CNC LS7 Cylinder Head 54503 - For LS1/LS2,  RHS LS BLOCK 9. 615 diameter hollow stemmed sodium filled exhaust valves, Competition Cams 26921-16 Dual Valve Springs for GT-17 camshaft, titanium retainers, locks and valve seals. LSX Performance Parts. May 03, 2016 · RHS® Pro Elite™ 3. 17. Racing Head Service (RHS) has introduced its new Pro Action Rectangle Port Aluminum Cylinder Heads as a premium replacement option. Shown here are the piston oiling kit (part #549120, $598. With supporting upgrades this head will support 500hp on a 5. 750" Small-bore Black Label cylinder heads for 3. RHS not only has LS cylinder heads and the aluminum block, but accessories for the block as well. 800 deck surface to allow extra milling to achieve higher compression ratios. In regards to this, we have made the group decision to remove two of our available cylinder head services. Chevy LS V8 Cylinder Heads parts in-stock with same-day shipping. PRC 6-Bolt LS7 Cylinder Heads with Thicker Deck Surface. We have a full 5-Axis Simultaneous CnC machine with Centroid control. From F-body to Corvette, Sierra to Silverado, G8 to GTO, we carry everything for making power with your LS or Gen V Ride! The RHS Pro Elite LS7 cylinder heads are the aftermarket’s first high performance LSx style head to feature a raised intake runner design that fits both stock and aftermarket LS7 intake manifolds and valvetrain setups. 4505. 95. The Heads, Camshaft, and Intake Manifold upgrade combination is the tried and true method of getting big power out of any engine. All flow numbers for RHS — Racing Head Service heads come from their Web Site updated Feb. One year later (1998), the LS1 replaced the LT1 small-block in both Camaros and Firebirds. These heads were equipped with 26918 beehive springs and titanium retainers. Naturally the valve springs were upgraded to accept the high-lift Comp cam. Proven capable of supporting 700hp+ on 408cid+. Initial overlook and observations before getting a bowl cut, bowl blend, and The RHS heads were installed with a fresh set of Fel Pro head gaskets. 8 ratio LS7 rockers. 660" Dual Spring Kit w/ PAC Springs, Retainers, Seats, & Seals. But he also understands how easy it is to make power reliably with the more efficient LS platform. I think I can get them for about a grand. They make great power and outflow most but they ain't cheap. Comp Cams Shaft Rockers - RHS LS7 Heads Using Comp shaft mount rocker systems is one of the most effective ways to increase horsepower. Using Comp shaft mount rocker systems is one of the most effective ways to increase horsepower. RHS® Pro Action™ LS Cathedral Port cylinder heads are designed for any high performance or stock application and offer one of the best performance values for aftermarket GM LS Cathedral Port heads. Subscribe to our newsletter for the latest Dart news and updates. Looking for the best dollar for dollar LS7 head for 4. All flow numbers for RLD Performance heads come from their Web Site updated Aug. The Ultimate Chevy LS Cylinder Head Dart Race Series LS 10° 368cc CNC Trick Flow 215cc GM LS Cylinder Heads, PN: TEA-LS215TF-CUSTOM. Proven LS Horsepower. We first ran the stroker with a set of as-cast, stock LS7 heads and found peak numbers of 742 hp and 684 lb-ft of torque and average numbers of 635 hp and 647 lb-ft. Race Flow Development specializes in getting the most out of your engine for Road Race, Circle track and Drag Racing applications. Cylinder Heads. 600 Stroke Ultra Billet, Internally Balanced Crankshaft, • Manley 6. TSP . 2005 saw a switch to the Gen IV engine, starting with the 6. The ETPs could be had for less $ but availability was slim. 234 Available - RacingJunk Classifieds features & sells race ready Heads. 584 Cubic Inch / 20° Heads; 588 Cubic Inch / 12° ProFiler Engine; 582 Cubic Inch SR20; 618 CI Superman RHS (Racing Head Service) LS Block RHS is the newest player in the game, and the one probably making the most waves at the high end of the marketplace. MAST LS3 Medium Bore Cylinder Heads $1,879. RHS offers two different sizes of CNC ports on these heads. These RHS Aluminum Cylinder Heads are designed with a 12° valve angle The heads are CNC Ported RHS units from Competition Components, with 230CC Intake runners, 2. 900" Bore LS7 CNC-Ported Cylinder Heads are designed to use eight standard, LS1-style exhaust rockers and eight offset LS3-style style intake rockers and stands. ” However, their thin cross section allows for a high-velocity and smaller-volume runner design with excellent flow. LS1-CNC – New bare castings with CNC Sportsman Porting for 2. 7L LS1. 5 degree cant, 2. Heads, AFR 215cc LS1 Cylinder Heads CNC Ported w/ 64cc chamber assembled w/ 2. Designed for any new Gen IV 5. 100" bore. Racing Head Service (RHS) 54903U Engine Block, Aluminum, 6-Bolt Mains, 4. Then came the 5. The hollow-stem intake valves shed significant intake valve weight and allow for additional lift. 60" Valves, dual coil valve springs(. 7L LS1 engines are a great value in performance. Designed for stock or aftermarket LS7 intake The F-series is Frankenstein’s first line of proprietary LSX based cylinder head castings. Anyones thoughts experiences? All Pro, Mast, RHS, Trick Flow, Brodix, Dart. 60" valves. A 10 degree intake w/ 4 degree cant, a 7 degree exhaust w/ 2. While a gifted amateur may occasionally stumble into a decent “off-book” setup, that’s not the way to bet. There are so many pros and cons to some of the available LS castings on the market. Eddies Rod & Custom at only 8psi, Jan 01, 2007 · After replacing the factory 882 heads with the 180cc RHS Pro Action heads, the peak power numbers jumped to 402 hp and an even 400 lbs-ft of torque. A raised-camshaft position (sized to accept a 60-mm camshaft) and oil galleries that are pushed outward enable a generous 4. Available bare or assembled with premium COMP Cams® valve train components, AFR 205cc Mongoose LS1 Heads 62cc $2095 bare ET Performance LS1 CNC 215cc Runner 62cc $2250 bare RHS Pro Elite Gen III LS1 210cc 62cc $2800 bare Note: I am aware that each runner is slightly larger/smaller then one another but when taking into consideration flow-horsepower-torque which will be the best? BILL MITCHELL PRODUCTS BMP Cylinder Heads Aluminum Chevy LS-1 Series 235cc 15Degree 2. Trick Flow GenX 260cc/70cc CNC Bare Cylinder Head TFS-3271B001-C01 Trick Flow’s GenX 260 square port aluminum cylinder heads for GM LS7 are designed to meet the needs of enthusiasts using any LS-based engine block with a minimum bore diameter of 4 brand new, original boxes, racing head service ""cnc"" ported ls1, ls2, ls6 cylinder heads with cathedral ports. RHS BBC 320cc---Stock Peak-346/270cfm----After Porting-420/300cfm Shop Chevy LS V8 Cylinder Heads parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. First, customers can remove, disassemble, wash, and ship their heads. 8-liter truck engine), the LS1 aluminum head, the LS6 aluminum head with 63cc chambers, the LQ4 aluminum head with 67cc chambers and LS6 heads with larger ports and larger chambers. $7,408. AFR's 215cc mongoose cylinder heads a recommended for moderate street or street/strip builds with  Corvette Performance Parts Corvette Heads - AFR 205cc LS1 Mongoose Street Head - No Milling : 1997-2013 C5,C6,Z06 For the ultimate street LS1/LS6  9 Jul 2012 The LS1 had big shoes to fill—after all, the original mouse motor was the The AFR 245 cathedral-port heads used in this test stepped things  sales@latemodelengines. These systems transfer the power of the camshaft to the valve by properly positioning the rocker over the valve. All we can say is Wow, as the new RHS heads improved the power output of the modified LS1 by as much as 50 hp over the stock castings. Bolt on a set of fully assembled heads for instant power gains or custom build your engine’s Trick Flow® GenX® 220 cylinder heads for GM 5. Not Yet Reviewed. The only difference is RHS is stamped into the end of the head instead of ETP. We are preparing to do a group of old school LT's this spring - get your heads inbound if you want in, please. Part Number: RHS-11011. We now have a SAENZ model 680 flow bench which we all enjoy using. 300 inch “H” Beam 4340 Rods with ARP 2000 Bolts. Jun 27, 2019 · The General Motors LS3 engine is a strong, reliable engine that has been used in a lot of vehicles. Stock LS1 heads flow 241 cfm. 895" BORE (READY TO HONE) 54906U RHS Block 9. Base price package includes porting your supplied cylinder heads: GM LS7 2. 600" EXHAUST VALVE, 8MM VALVE STEM DIAMETER, CHAMBER VOLUME IS 62CC, WEIGHT IS 37 LBS. For older 3. 060"-4. The cam is a custom solid roller, with 260ish duration, and . Browse our inventory RHS Assem LS3 Cylinder Heads FREE SHIPPING, ea. Apr 09, 2007 · The RHS heads bolt right up to any LS1, LS2, or LS6 engine. They are 225cc intake runners, 62cc May 22, 2014 · RHS has developed a broad range of performance small block cylinder heads along with its LS7 heads, so Feeney is more than happy to sell the customer whatever they want. 080" x 1. 220" raised intake runners 6328 results for: "RHS Cylinder Head" Sort By: true Most Relevant false Price (Low to High) false Price (High to Low) false Brand (A - Z) false Brand (Z - A) Most Popular false Specials false Newest Aug 15, 2017 · Dave talks about the best LS Cylinder Head on the market! For Tech Questions or to place orders, call 704-397-7979. 849. Brian Tooley Racing prides itself on providing the performance community with top notch customer service and support. We have had the pleasure to work on so many great cylinder heads over the past 15yrs that we felt the need to share all the great things we have learned with everyone. Whether you race Pro Stock, Super Comp, or just want to rebuild your old Chevy 350 small block, there are cylinder heads just for you! Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. Prices starting at $2190 for a fully loaded CNC cylinder head. Mast Motorsports LS1 225 Cathedral Port heads are designed for getting the most out of your LS1 or LS2 engine. 600" max lift), & titanium. 600-inch stroke without rod-to-block interference. Since it is almost impossible to compare the flow numbers from different flow benches I have started this page to show you how much cfm gain I have gotten out of the heads I have ported. 99 MAST LS7 Big Bore Cylinder Heads $1,999. Located in Houston, Texas, we maintain a fully equipped machine shop including multiple three-axis CNC block machining centers, Sunnen honing systems, Hines electronic balancer, SuperFlow flowbench and SuperFlow EFI engine dyno. 125 in. Dec 23, 2019 · #1---Head Flow Charts & Comparisons : 12/23/2019: There are enough flow numbers on our website to keep everyone busy for a while. Racing Head Service (RHS) Racing Head Service (RHS) was founded in 1967 as a manufacturer of racing cylinder heads and quickly established itself as an iconic brand on the drag racing and circle track circuits. Frank (myfirstgto) is still on stock heads making tons of power and running real fast after talking with him for a few hours i decided to save my money and get 243s. 3L LS1 Options: 218cc Full CNC Porting Package For those looking for a high compression capable 3. Going with Dart Next block not the shp. The RHS LS heads featured 225 cc intake ports that flowed over 300 cfm. New Additions** Ai Aftermarket Casting Based Cylinder Heads: 223cc CNC'd Dart/RHS Cathedral · 230cc CNC'd TFS Cathedral Engine Type: 243/317/799 LS6/LS2 , 241/853/806 LS1 , 821/LS3 , 823/L92 , 706/862/5. 080/1. Results 1 - 25 of 165 Racing Head Service (RHS) was founded in 1967 as a manufacturer of racing cylinder heads and quickly established itself as an iconic  New Additions** Ai Aftermarket Casting Based Cylinder Heads: 223cc CNC'd Dart/RHS Cathedral · 230cc CNC'd TFS Cathedral Engine Type: 243/317/799 LS6/LS2 , 241/853/806 LS1 , 821/LS3 , 823/L92 , 706/862/5. 125 bore and 4 inch stroke twin 76's. 900" bore option based on a GM casting our CNC'd 5. 750 Deck, +. Bare. In addition to the 210- and 225cc intake-port 502 LS Short Block. GM's LS engines are the hottest thing to hit the scene since Chevy debuted the first smallblock back in 1955. The Mozez CNC LS cylinder heads feature an exclusive raised racing runner intake port design. ” Our Full CNC porting for GM 823 L92's is a great budget head for 600hp+ builds. 3L or small-bore LS engine including LS1 & LS6. RHS Pro Action Rectangle Port Aluminum Cylinder Heads Available bare or assembled with premium COMP Cams valve train components, these LS3 heads are engineered with the same architecture as the factory head, and all stock components will fit without issue. Engineered to. WORK GALLERY. RHS is the leading developer of high performance cylinder heads, engine blocks, intake manifolds and related components for street performance and race engines Racing Head Service (RHS) JavaScript seems to be disabled in your browser. 04) designed to keep the pistons lubricated for optimal performance even during the most demanding racing conditions. Dart, Concept Performance, LSx, and RHS all of the proven units available! Porting cylinder heads might be one of those jobs that many folks will farm out to an experienced pro, but there will all ways be a small contingent of enthusiasts ready and willing to bust out the grinder in search of more power. Flowing up to 35 CFM more than the stock GM LS7 head, the all-new PRC cylinder heads offer both unmatched power and airflow! The PRC Small Bore LS7 cylinder heads are designed for both stroker, and stock cube applications with a 4. These Trick Flow GenX® 225 cathedral port cylinder heads for GM 6. Eddies Rod & Custom at only 8psi, Jan 22, 2016 · Seduced by all the new mega-port LS castings that are now available, we had to have a set of RHS' 307cc Pro Elite LS7 heads. 713. It’s certainly not a job for everyone, Aug 07, 2014 · A variety of OE Gen 3 heads are available, including an iron small port (initially used on the 4. It was known as the Gen III small-block V8. Shown here are just a very few of the many cylinder heads and packages that we offer. 1188 or check out Dart’s technical FORUM. 240" STANDARD DECK, 3. RHS is the ETP head. How Big Should I Go? To make really big horsepower, an engine requires Sep 21, 2015 · In the LS community, Livernois is widely known for its fifth-generation Camaro products and services, and has managed to produce the very first 2012 Camaro ZL1 to run a 9-sec-ond quarter-mile—using a Livernois cam and CNC-ported heads. They even retain all of the accessory holes for street operation. 02" / 1. 2. RHS has introduced their new Pro Action™ Rectangle Port Aluminum Cylinder Heads as a premium LS3 replacement head, ensuring great power on any performance or stock engine build. alex. com. 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! We also have a complete line of Texas Speed & Performance crankshafts, connecting rods, rocker arms, long tube headers, exhaust systems, and more. 2) The head is 11 deg instead of OEM 15 deg. 99 $1,989. They used to be call RHS Pro Elite 210 or 225 series. The RHS head manages to achieve equality with the original Vortec on the intake from the low lift through the mid-lift numbers up to 0. The titanium intake valves will be the lightest choice however and offer the best durability possible! Cylinder Head Specs: Valve Angle: 12 Degree Current Backlog for most types of heads is 3-4 weeks. Give us a call to see if we can improve your heads. It is not an exchange service, and customers receive the same heads back that they sent to Katech. Valves. RFD is a full service machine shop and uses only the best equipment. The crown jewels of RHS are the Pro Elite line of heads. 900-inch-bore LS motors, RHS offers a 266cc small-bore variant as well. 200"/1. 080" INTAKE VALVE - 1. If you are looking to make more power with your stock bottom end LS, you have found the right head. CNC porting starts at $1199 and includes a 5-angle valve job. 59". Racing Head Service is the legendary innovator of cylinder head technology. Cylinder Head, 24 Degree, Aluminum, Bare, 119cc Chamber, 320cc Intake Runner, Chevy, Big Block, Each. 600 stainless valves, and optional solid roller springs. RHS Pro Action cylinder heads deliver exceptional performance gains for all Small Block Chevrolet owners and are available in a wide variety of intake runner and combustion chamber volumes. 502 LS Short Block (Kit or Build) by Raymac Racing Engines. For a street car, this design means excellent throttle response, torque and average power. A member of the COMP Performance Group, Racing Head Service (RHS) combines its cutting-edge airflow technology with valvetrain knowledge RHS is the leading developer of high performance cylinder heads, engine blocks, intake manifolds and related components for street performance and race engines GM LS Race Blocks JavaScript seems to be disabled in your browser. About RHS ® Founded in 1967, Racing Head Service ® began exclusively as a manufacturer of RHS Pro Elite LS7 cylinder heads are the aftermarket’s first high performance LS-style head to feature a raised intake runner design that fits both stock and aftermarket LS7 intake manifolds and valve train setups. Pro Torker Vortec Heads are designed as a stock replacement for the popular GM 906 casting but flow far better and are much more powerful. 3 LS1 , 8452/LS7  CALL SHANON AT 507 445 3235 WITH ANY QUESTIONS. RHS Performance Cylinder Heads Deliver Power By Design. The RHS Pro Elite LS7 cylinder heads are the aftermarket’s first high performance LSx style head to feature a raised intake runner design that fits both stock and aftermarket LS7 intake manifolds and valvetrain setups. Oct 10, 2012 · LME Builds a 700+ HP Pump Gas 502 RHS LS Engine + Dyno Results - Duration: 6:21. 400 inch. These fully CNC ported 215cc heads are specifically designed for $2,395. Cylinder heads are an important part of your performance engine build. Will Work on Both Standard GM 4-Bolt & Aftermarket LSx / RHS 6-Bolt Style Engine Blocks. May 10, 2010 · Pro Elite Heads. RHS Pro Action 260/69cc LS3 Assembled Cylinder Head 54530-05HCS. 1) The head is available in either a 210cc or a 225cc intake runner. competition. We have the means to CNC port most LS heads to give you that edge you're looking for. Estimated Ship Date: Loading The RHS Pro Elite LS7 cylinder heads are the aftermarket’s first high performance LSx style head to feature a raised intake runner design that fits both stock and aftermarket LS7 intake manifolds and valvetrain setups. The 225cc head has 2. '14. Mostly grudge racing no certain class or Max effort. RHS® Pro Elite™ LS7 Cylinder Heads are the aftermarket’s first high performance LS-style head to feature a raised intake runner design that fits both stock and aftermarket LS7 intake manifolds and valve train setups. 050", VALVE ANGLE - INTAKE & EXHAUST IS 11 DEGREE (STOCK IS 15), 2. RHS Pro Action 260/69cc LS3 Assembled Cylinder Head 54530-05HCS RHS has introduced their new Pro Action™ Rectangle Port Aluminum Cylinder Heads as a premium LS3 replacement head, ensuring great power on any performance or stock engine build RHS offers its Pro Elite LS7 cylinder heads in 291cc and 307cc configurations to suit a wide range of street and race applications. 584 Cubic Inch / 20° Heads; 588 Cubic Inch / 12° ProFiler Engine; 582 Cubic Inch SR20; 618 CI Superman Every head is ported to the customers needs which doesn't neccessarily give you the most flow out of the heads. Free shipping when your order includes this part. All flow numbers for Sabre Heads come from their Web Site. We can also offer you all-billet versions, as well as some class-specific castings. 2000 horsepower capable blocks are in stock and ready to ship. 54903U Racing Head Service (Rhs) Ls Aluminum Race Block Standard Deck 4. All heads come with high quality components, such as titanium retainers and Pac Racing Springs. Chevrolet Small Block LS, 2004 & later except LS9, all same bolt lengths, ARP2000, 12pt: Head Bolt Kit: 234-3725 Blocks & Mast XT Race Blocks. They just need a little bit of work to reach their full potential. The first is designed for engines that are 468-540 cubic inches and features a 339cc intake runner. Free shipping RHS® Pro Elite™ 3. 57 valves. Available bare or assembled with premium COMP Cams® valve train components, these LS3 heads are engineered with the same architecture as the factory head, and all stock components will fit without issue. 0 liter LS7, the 6. INT EX INT EX. 3 liter FWD LS4, the 7. 362. RHS® LS7 Cylinder Heads are the aftermarket’s first high performance LS-style head to feature a raised intake runner design that fits both stock and aftermarket LS7 intake manifolds and valve train setups. Designed Mar 08, 2016 · Looking at the "FAKE" All Star aftermarket LS cylinder heads. 750 lift. Comp Cams Shaft Rockers - RHS LS7 Heads. 388 Cam Location. They feature a raised intake runner design that fits both stock and aftermarket LS7 intake manifolds and valve train setups. Sep 22, 2015 · The early blocks and the 1998–2000 version (casting # 12559846, 12559090) utilize what is characterized as “medium-length” head bolts, in contrast to the 2000–2002 LS1 (casting # 12559378, 12560626) and 2001–2004 LS6 (casting # 12564243), which have longer head bolts. RHS Pro Elite small bore LS7 cylinder heads deliver superior port-to-chamber transitions for greater airflow efficiency right out of the box. 125 Bore. Sep 26, 2011 · For both the LS3 and LS7 heads, RHS has a catalog of high performance valvetrain hardware that is certified to take everything that the new heads and blocks are capable of dishing out. EQ Sbc vortec 906---Stock peak-238/168cfm--After porting-252/204cfm . Drag only solid roller. Designed with raised Pro Stock oval ports, canted valves and highly efficient wedge style combustion chambers, the Race Series 10° LS is a radical departure from traditional LS heads in one other area. • Callies Billet 4. Every one of the aftermarket heads bested those numbers. RHS patented Clean Cast Technology and close tolerance machining provide exceptional finish quality for superior performance and reliability, and the revised water jacket design helps prevent cracking commonly Founded in 1967, Racing Head Service™ began exclusively as a manufacturer of racing cylinder heads. Porting cylinder heads might be one of those jobs that many folks will farm out to an experienced pro, but there will all ways be a small contingent of enthusiasts ready and willing to bust out the grinder in search of more power. Perfect for LS1 / LS6 stroked short blocks Has a deck thickness of . LS7 SB Chevy Aluminum Bare CNC Ported RHS Cylinder Heads #54501 (valve train parts not included). Neither is said to be an advantage or disadvantage. Advertised 215cc intake runner with 2. CHEVROLET V8 LSA LSX 8 BOLT 168 TEETH STANDARD WEIGHT STEEL FLYWHEEL TO SUIT LS1 CLUTCH (FSYT9918) RHS is the leading developer of high performance cylinder heads, engine blocks, intake manifolds and related components for street performance and race  RHS 54503 Small Bore LS7 Pro Elite 266cc Cylinder Head, For LS1/LS2 made by RHS. The General Motors LS series of engines debuted in 1997 with the C5 Corvette as the all aluminum LS1 V8. I have a good line on a set of new RHS Pro Action 225cc heads. 3) This head has an . RHS is the leading developer of high performance cylinder heads, engine blocks, intake manifolds and related components for street performance and race engines Small Block Chevy Cylinder Heads JavaScript seems to be disabled in your browser. 125 Bore, 9. Navigation May 03, 2016 · RHS® Pro Elite™ 3. 550″ valve job. May 03, 2016 · Designed for Hardcore Street or Race GM LS Engines. When you see a serious, serious, big-dollar LS engine being built – it’s probably using an RHS block. 3 is a great option. The cathedral port heads incorporate features of Trick Flow® fully CNC-ported LS heads in a more affordable "Fast As Cast®" version that flows nearly as much air as their competition ported Oct 15, 2014 · RHS® Pro Elite™ 3. Diameter Bore, 1-Piece Rear Main Seal, Chevy, LS, Each. 600" Clearly the industry’s most efficient replacement for LS1, LS2, and LS6 cylinder heads, BMP's LS Aluminum casting delivers more power than Making big horsepower with an LSx requires the right block. Manifold porting & cams are an option only when we're also doing a set of heads for you at the same time. '12. These fully assembled heads are designed with a 12° valve angle and unique . Estimated Ship Date: Loading Sep 24, 2015 · Cathedral port cylinder heads have been mistakenly dismissed by many in LS-series circles for being “old-tech. I am about ready to do another round of mods which will include, heads (undecided type/brand) FAST 92, 92mm TB, 85mm MAF, LS7 lifters and a retune. geralis@gmail. 1 pair of bare, CNC Sportsman Ported castings – $2,195. 2 liter LS3 and the blown LS9. INTAKE PORT-225CC, EXHAUST PORT-97CC, PORT LOCATION - INTAKE IS STOCK, EXHAUST IS RAISED . Springs, Titanium Retainers, Seats, & Seals. Over the years, RHS® grew into an integrated racing company, offering complete turn-key engines and race car parts via mail order. Keep that in mind when looking at the numbers. $5,889. This is the aftermarket's only high performance LS7 head with a raised intake runner design specifically engineered to accommodate production and aftermarket LS7 intake manifolds and valve train setups. The RHS heads flowed enough to support over 600 horsepower, or more than we ever hoped for this stock short-block LS1. GM 706/862 5. 600″ exhaust valves and 355cc intake ports provide unparalleled flow and performance. Features for the RHS LS1 Elite series head. Designed LS 1 cast iron small block cylinder head. . Each cylinder head includes Racing Head Service introduces the RHS Pro Elite LS7 Cylinder Heads, designed for big Horsepower, big Cubic Inch Hardcore Street or Race GM LS Engines. Every head is ported to the customers needs which doesn't n Trick Flow® GenX® 225 Cylinder Heads for GM LS2. 750" thick decks, 6 bolts per cylinder clamping force and are cast and machined in the USA! Choose your vehicle by selecting it in the "filter by" option. The line is dedicated to changing the 23º SBC market as we know it. 0 liter LS2. It has been a cornerstone for our growth over the last 7 years. All flow numbers for Ron's Porting Service heads come from their Web Site updated Aug. 02 inch stainless valves can get you into the 500 to 600 horsepower range with a nice cam. 780" and larger bore sizes. It’s certainly not a job for everyone, Jul 21, 2014 · In our newest product spotlight video, host Lauren Rosado showcases the new Pro Elite series, CNC-ported aluminum cylinder heads for the LS7 from RHS. Dec 01, 2010 · The stock LS1 heads (241 castings) were run on the 408 to establish a baseline. “On LS1 cylinder heads, a quick polish and moving the intake valves up to 2. Shop Cylinder Heads. 0L LS2 engines are fully CNC-machined to significantly increase the performance of LS2-powered cars and trucks. To help expedite client order wait time, The F-series is Frankenstein’s first line of proprietary LSX based cylinder head castings. 02″ x 1. Designed The PRC LS7 285cc cylinder heads are available with hollow-stem or titanium intake valves. By Brian Havins December 13, 2019. $756. 99 MAST LS7 Big Bore-2 Cylinder Heads $1,999. Chevy cylinder head Identification - Small block casting numbers, Big block cylinder head, camel back heads, double hump heads 108cc L-78/L-71/L-72/LS-6 Shop Chevy LS V8 Cylinder Heads parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. As LS engines have evolved and grown ever more popular, the airflow specialists at RHS have kept pace by developing a new line of heads specifically for the LS7 power plant. For big block Chevys, these aluminum heads are great for engines being built for drag racing thanks to their excellent list of features. TSP 1/2" 12-Point Head Stud Kit for LSx & RHS 6-Bolt Blocks Reviews Return Procedure To obtain a Return Merchandise Authorization (RMA) please call us at 512-863-0900. 3 LS1 , 8452/LS7  28 Oct 2019 Speed Secrets, COMP Cams, FAST, and RHS team up on this test to see how much horsepower you can get out of 5. 99 $1,829. 00. 040/1. Stay ahead of the game. Memphis, TN – RHS® introduces its new Pro Action™ Rectangle Port Aluminum Cylinder Heads as a premium LS3 replacement head, ensuring great power on any performance or stock engine build. ” RHS is the leading developer of high performance cylinder heads, engine blocks, intake manifolds and related components for street performance and race engines Cylinder Heads JavaScript seems to be disabled in your browser. 00Price yes im sure other heads will make a bit more power, in some cases a lot more, but im planning on nitrous down the road anyway, so it doesnt really matter. After adjusting the Comp rockers and installing the FAST LSX intake, we were ready for action. The LS3, LS9 and L92 all use the same cylinder head foundation, featuring a four-digit identification number. The flow numbers are the same as they used to be and they have the same specs and flow numbers as the ETP 215 and 235 heads. Examples of Gains With My Porting . 120" 54903U  PRI 2019: AFR Introduces Budget Friendly Aftermarket LS Heads. For those looking to really make a statement, the All Pro 12-1 LS7 6-bolt head has exactly what you desire. The original Vortec set the bar rather high for mild street cylinder heads, and by looking at both the intake and exhaust numbers, the new RHS head achieves an interesting level that might make it a player in the mild street head category. They have 68cc combustion chambers, so the compression was slightly lower than the test heads, but much of the power All Pro Heads is the Industry Leader in Small Block Chevy Aluminum Cylinder Heads, catering to the hard core racer always looking for the perfect design for a specific application. Featured here are LS7 cylinder heads from RHS. RHS® Pro Elite™ LS7 Cylinder Heads are the aftermarket’s first high performance LS-style head to feature a raised intake runner design that fits both stock and aftermarket LS7 intake All Pro LS7 12-1 6 Bolt Heads. Jul 21, 2014 · In our newest product spotlight video, host Lauren Rosado showcases the new Pro Elite series, CNC-ported aluminum cylinder heads for the LS7 from RHS. Designed for stock or aftermarket LS7 intake Mar 27, 2012 · Note that the tall-deck RHS block required intake spacers. From F-body to Corvette, Sierra to Silverado, G8 to GTO, we carry everything for making power with your LS or Gen V Ride! Racing Head Service is the legendary innovator of cylinder head technology. LS Blocks For additional technical support call our tech staff 248. Memphis, TN – The latest video from RHS covers all of the ins and outs of the brand’s revolutionary aluminum cylinder heads for LS7 applications. rhs ls1 heads