Afr Cylinder Heads Website

Add To Cart. Each component undergoes a detailed manufacturing process that involves the hundreds of calculated and precision steps to ensure the finest quality possible. High Performance Shaft Rocker Arm Systems For All Popular Cylinder Heads. 6" EX COMPLETE PAIR - AFR1450. 0mm File Fit Performance Ring Set included 72cc 80cc 84cc. * Enjoy unlimited access to afr. The heads simply changes the rules for SBC cylinder heads. BRODIX is the undisputed leader in big block Chevrolet compatible technology. Description: AFR's new 457cc 18° Big Block Chevy heads are our best performing highest flowing head in our BB Chevy lineup. 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. ljms ls cam kit. Afr 235cc - $2,639. If you need the world's finest street/strip small block Ford head, check out AFR's all new 185cc intake port emissions legal (CARB EO #250-3) cylinder heads. 357cc Fully CNC Ported 121cc Chamber. Quality, performance, and reliability are excellent. oil pump drive shaft,. Air Flow Research Performance Cylinder Heads for Chevy Small Block With 180cc Intake Port Volume and 23 Degree Valve Angle. Chevy Factory Heads; Big Block Chevy Heads; Engine Quest Heads; Engine Quest 350H; Engine Quest Vortec Heads; Dart Iron Eagle & SS Heads; Ford Factory Heads; Brodix Aluminum Heads; World Products Heads; Cylinder Head Porting Services. Cylinder Head Type AFR Heads w/Coolant Eyebrow. My point is that from a financial standpoint most all the good modern cylinder heads like the Darts, AFR's, Brodix, Trick Flows would likely (just a best guess) be quite close in average and peak power.



AmericanMuscle now carries a growing selection Valvetrain components including camshafts, springs, retainers, valve spring kits and even cylinder heads, all so you can make more power. There is nothing worse than purchasing cylinder heads with poor quality castings, cheap springs, cheap valves, poor valve jobs and tight valve guides only to find out your valve stuck, or broke costing you several thousands more. More Views. T&D SHAFT MOUNT ROCKER SYSTEM FOR KAASE P-51 CYLINDER HEADS $1375. 020 intake valves, 1. if you need a different size rocker stud, they are readily. Mid lift cfm is what matters you're not building a drag car or dyno queen are you?Check the mid lift flow numbers on an afr 265 cylinder head and compare it to other brands. AFR 1630 230cc LS Cathedral Port CNC heads. Cylinder Heads. BluePrint Engines offers small block Chevy cylinder heads, big block Chevy cylinder heads, GM LS cylinder heads, and small block Ford cylinder heads. Many years ago, a friend bought a used 2001 Mercury Mountaineer 5. "For the ultimate small block Ford street car, you've got to use AFR's all new 165cc emissions legal cylinder heads. Search Results for Afr Bbc Parts. 0 / Dart 170 & 195 Cylinder Heads. BES Racing Engines now offers complete cylinder head packages. Flow measured at 28" of depression. Our fully ported cylinder head is perfect for those who are looking to get the most horsepower from a small block Ford racing engine. I also have a Holley systemax intake along with 3:73's, 255 in tank fuel pump, MSD ignition. Racing and performance cylinder heads from World Products, Profiler, PBM and other leading manufacturers. The form below allows you to search for car, truck, motorcycle or boat parts in real time.



Right in the same ballpark as the AFR head are Trick Flow heads, which do a pretty good job on small-block Fords. The Complete Cylinder Head Guide for Chevy Small Block Engines A factor more influential toward successful high-performance engine building than any other is the cylinder heads. 600'' exhaust valves, combustion chamber volumes of 58cc or 60cc, and 69cc exhaust ports, AFR's new 185cc Ford head is designed for 302-351 cid engines. Currently, I have PM-FL CNC ported LS6 heads. The information below pertains to our testing with the AFR 220 heads. The AFR 165s are a great choice. 600 exhaust valves, combustion chamber volumes of 58cc or 72cc, and 70cc exhaust ports, AFR's new 185cc Ford cylinder heads are designed for 302-367 cid engines operating from 1500 rpm to 6500 rpm. Without adequate airflow, the engine will never make power. 470 lift/223º @. We can also supply you with a matching camshaft and intake. Tips for Buying Heads. 0 / Dart 170 & 195 Cylinder Heads. Big-block Chevy factory heads are offered in aluminum and cast iron, with either open or closed combustion chambers, and with oval or rectangular intake ports. Air Flow Research Cnc Ported Cylinder Heads & Parts AFR8016 Air Flow Research Cnc Ported Cylinder Heads & Parts AFR6410 Air Flow Research Cnc Ported Cylinder Heads & Parts AFR6110. Ford Big Block * * | * * * * * * Clegg Engine and Machine 1599 West Center. Today, life is a bit easier! Trick Flow® GM LS engine steam line fittings are available to upgrade the factory steam tubes of your modified LS-powered cars and trucks to update your race car plumbing system.



Be very careful who you buy heads from and make sure you ask a lot of questionswhen I sell the Indy -1 or -2 head I usually use their cnc intake port (230 or 245) and hand port the exhaust port and chambermakes great power and I stay away from water!. This complete commitment to performance has enabled Airflow Research's cylinder heads to find themselves on the fastest race cars and the most powerful street machines in the country. Air Flow Research has more than 30 years of cylinder head development experience and is going to have the perfect cylinder heads for your performance Mustang. com online experience. AD Performance is your engine power experts for high performance domestic V8 engines parts: from individual components from such renowned performance manufacturers as AFR, TFS, DART, World, Scat and Eagle, Comp, JE, Ross, CP and Probe. Huge Power For Big-Block 460 Fords Is A Bolt-On Deal With These Breakthrough P51 Cylinder Heads From Jon Kaase Racing. We can also offer you all-billet versions, as well as some class-specific castings. cspeier wrote:OMG!OK, I have had my duels and debates with Tony on cylinder head approach, but this just blows me away! Velocity and wet flow weren't a concern to the AFR family, this is what I was told, and now they throw both words around like they invented them!. AFR 195cc Renegade Ford head is debuting in our lineup and almost defies the law of physics flowing a whopping 315 CFM from a modest sized intake port. 0 or MM&FF about a year ago. As cast or CNC, bare or assembled. Blown engines will especially like the larger, higher flowing intake ports. The fittings are black anodized billet aluminum and attach to the corners of your GM LS cylinder heads. Although similar in appearance there are some conditions that the customers may not understand or be prepared to deal with when purchasing them. Please checkout the current pricing on KRE D port heads on the current website here.



From F-body to Corvette, Sierra to Silverado, G8 to GTO, we carry everything for making power with your LS or Gen V Ride!. 0L Mustang market. 0 breathe better than ever with a set of AFR aluminum cylinder heads! AFR is one of the most advanced cylinder head companies in the world and continues to prove it with superior quality and performance. AFR Cylinder Heads; Facebook. Follow Us on Facebook, email us a question, or just call the person that owns the business and designs the products, we are here to help. We concentrate on cylinder head technology and related racing components. 5º, 12º, and 9° versions. Once again AFR sets the bar a wrung higher in affordable, extremely efficient, high flowing 23° aftermarket performance cylinder heads. Dart Pro 2 380 Fully CNC Ported Cylinder Heads: Sale! $3895: Dart 18° Big Chief Fully Ported Cylinder Heads: $6995: LS1 Chevy Heads - AFR: AFR 210 LS1 Mongoose Fully CNC Ported Cylinder Heads: New! from: $2390: LS3 Chevy Heads - AFR: AFR 260 LS3 Mongoose Fully CNC Ported Cylinder Heads: New! $2599: LS7 Chevy Heads - Trick FLow: Trick Flow 260. The 12º Raptor is the big chief style spread port head. Among the earliest of companies outside of General Motors to produce aluminum heads, this is a brand that I have had a very long association with. We can also supply you with a matching camshaft and intake. It may take several seconds to display the results. Quality, performance, and reliability are excellent. From what we have seen on the flow charts, the 220cc heads do slightly edge out the. 600 exhaust valves, combustion chamber volumes of 58cc or 72cc, and 70cc exhaust ports, AFR's new 185cc Ford cylinder heads are designed for 302-367 cid engines operating from 1500 rpm to 6500 rpm.



050 110 lobe center, 800 RPM idle, 16 lbs. ljms ls cam kit. Air Flow Research heads are simply the best there is. 800 exhaust. Air Flow Research. downtown wanamaker. The THITEK GIIIH "Bear" is the first aftermarket available cylinder head for the Late Model Hemi platform. We can also offer you all-billet versions, as well as some class-specific castings. Check out their products that are available from CJ Pony Parts and give your upgrade a huge performance upgrade with help from Air Flow Research!. Here is the my engine Break in Video with the ProComp heads I wouldn't expect any real support from speedmaster for anything tho https://youtu. It has been used by many of NASCAR's top teams. At 6,000 rpm, the AFR heads posted a staggering 130-hp gain! Fig. Parts classifieds change daily so if you don't find what you want, come back in a few days and try again. Air Flow Research Cnc Ported Cylinder Heads & Parts AFR8016 Air Flow Research Cnc Ported Cylinder Heads & Parts AFR6410 Air Flow Research Cnc Ported Cylinder Heads & Parts AFR6110. The heads simply changes the rules for SBC cylinder heads. Air Flow Research is revered as one of the top Mustang cylinder head manufacturers. 車バイクのパーツヤフー店の全国送料無料 | 直輸入 | ガスケット | AFR | -| Airflow | Research | 1450 | 205cc | Renegade | Race | Aluminum | Cylinder | Heads | SB-Ford:EB-1450-1ならショッピング | ランキングや口コミも豊富なネット通販 | 更にお得なTポイントも | スマホアプリも充実. Edelbrock Heads: E-Street Ford Cylinder Heads This made-in-the-USA head is Edelbrock's value leader.



On the flow bench these heads continue to flow past. AFR’s Mongoose line of LS Cylinder heads just grew with the introduction of our brand new LS3 Cylinder Head. Search Results for Afr Bbc Parts. Proven LS Horsepower. Afr 1420 185cc renegade street aluminum cylinder heads sbf small block ford. Enter Air Flow Research and their Mongoose 260cc LS3-style. 3 reviews of Air Flow Research Heads "Nothing but the best!!!! Chris in engineering and Jermey in sales. Aluminum aftermarket cylinder heads offer tremendous airflow potential to maximize power potential. AFR MAGNUM BBC Aluminum Cylinder Heads - Bare Heads (Pair) AFR's MAGNUM line of cylinder heads for the big block Chevy are available in Rectangular Ports with 305cc, 325cc, 345cc, 357cc, 377cc and 385cc runners. Chevy Small Block Intake. Quality cylinder head work is horsepower. These are among the best of the iron Ford Windsor heads as they tend to flow much better than earlier castings. The Teague Custom Marine BBC Aluminum heads are Sold per pair. The form below allows you to search for car, truck, motorcycle or boat parts in real time. Shop the best cylinder heads by AFR, Brodix, BMP, CHI, Dart, EQ, and World Products. We wanted to include the biggest, baddest heads possible and AFR is known for making the best heads in the industry. As such AFR will be present at both West (May 5-7th) and East (September 8-10th) events with their race trailer and staff, showcasing their latest developments in performance cylinder heads for GM LS and current generation LT engine platforms. 215cc Fully CNC Ported Intake Runners. All heads are made with A356 aluminum and are equipped with high quality components throughout. 60" Valves, dual coil valve springs(.



we have been porting cylinder heads & manifolds for over 25yrs. [wpsc_products category_url_name='tfs-highport-20'] Total Engine Airflow is constantly. We have a strong database of dyno proven and track results, look at our results page! Also please look at our track and dyno proven line burr ported manifolds! From NHRA records to working with major cylinder head companies, let our knowledge work for you. Apparently, there had been this lively exchange among Mamo and multiple forum dwellers on a Corvette website with several guys making exaggerated claims about certain cylinder heads. Add To Cart. Available $1,717. 60 ehaust valves, titanium keepers and locks. Air Flow Research. Add to cart. Weve done engines in the past with CHI heads with excellent results (got one of the early sets, years ago for an XW GT). Parts classifieds change daily so if you don't find what you want, come back in a few days and try again. Trick Flow and AFR on my SBC's. They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components. Want to run 11. for what its worth AFR makes the best sbc head on the market in. Re: Opinions on Edelbrock E-Tec Cylinder Heads 12-15-05 12:48 PM - Post# 831033 In response to ChevelleFan Yes, for a 400 the 200's would be my choice. Now, you don't want to lift the valve that high on the street of course but like an AFR, these heads do like lift. (-) Remove Cylinder Heads and Components filter Cylinder Heads and Components (-) Remove Air Flow Research filter Air Flow Research.



AFR Heads is one of the innovative product of Air Flow Research's(AFR) perfecting the manufacture and flow dynamics of cylinder heads design, engineering, and manufacturing technology never rests. Total Engine Airflow specializes in CNC-PORTED aluminum cylinder heads, custom cylinder head assemblies, and support components for GM, Ford, Mopar for street/strip, competition, and racing applications. Air Flow Research (AFR) Cylinder Heads & More. PICTURED ABOVE ARE OUR FULLY CNC'D AFR HEADS. AFR has performance racing engine heads for the Chevy small block, big block and LS series engines. It's not just our business, it's our passion. At 6,000 rpm, the AFR heads posted a staggering 130-hp gain! Fig. It may take several seconds to display the results. Unlike some aftermarket heads, AFR's Ford head (CARB EO #250-3) fits all your stock components; no special parts are required! With 1. Pro Filer Small Block Chevy All American Heads with 195cc Intake Runner, 2. Crate Motor Parts '602 Crate '603 Crate. 60-inch exhaust valves and 165cc intake runners. Mopar Pro Shop strives itself in offering the best Mopar built cylinder heads in the business. Some of the heads with large flows and big runners are not going to be good street heads, since they will have slow flow through the runners at street rpm. Record setting horsepower with cylinder heads from BTR.



Re: Opinions on Edelbrock E-Tec Cylinder Heads 12-15-05 12:48 PM - Post# 831033 In response to ChevelleFan Yes, for a 400 the 200's would be my choice. Cylinder Heads. Blown, turbo, or nitrous. AFR 195cc Renegade Ford head is debuting in our lineup and almost defies the law of physics flowing a whopping 315 CFM from a modest sized intake port. The form below allows you to search for car, truck, motorcycle or boat parts in real time. Discussion in 'The Hokey Ass Message Board' started by loveoftiki, May 15, 2019. Purchasing a quality set of cylinders heads is getting harder and harder. 800 exhaust. LS3 Cylinder Head Page 23. Cylinder Heads - High Performance Heads, Racing Heads, Aluminum & Cast Iron. Use either OEM Ford intake gasket or Victor Reinz. Unlike some aftermarket heads, AFR's Ford head (CARB EO #250-3) fits all your stock components; no special parts are required! With 1. Air Flow Research Cnc Ported Cylinder Heads & Parts AFR8016 Air Flow Research Cnc Ported Cylinder Heads & Parts AFR6410 Air Flow Research Cnc Ported Cylinder Heads & Parts AFR6110. 470 lift/223º @. Headers for 72 nova with 454 and afr heads Drivetrain & Performance Headers for 72 nova with 454 and afr heads - Chevy Nova Forum Steve's Nova Site is an automotive enthusiast website dedicated to the 1962 - 1979 Chevrolet Nova, Chevy II and Acadian automobiles. AFR MAGNUM BBC Aluminum Cylinder Heads - Bare Heads (Pair) AFR's MAGNUM line of cylinder heads for the big block Chevy are available in Rectangular Ports with 305cc, 325cc, 345cc, 357cc, 377cc and 385cc runners. AD Performance Iron Eagle S/S SBC 165cc Port Cylinder Heads [10021070] - DART Iron Eagle Small Block Chevy Cylinder Heads 165cc runner, 72cc Chamber, Straight Plug - Available Bare or Assembled These heads are priced ASSEMBLED with 1. All heads are made with A356 aluminum and are equipped with high quality components throughout. Browse our inventory of Heads today, while they still last!. * Enjoy unlimited access to afr.



After Market Heads. 251-1492: 185cc Heads / 61cc Combust Chamber If you need the world's finest street/strip small block Ford head, check out AFR's all new 185cc intake port emissions legal (CARB EO #250-3) cylinder heads. AFR vs ETP vs RHS Heads. AFR was one of the first to provide an aftermarket head option for the LSX engines and they have stepped up again with their Mongoose LS3. AmericanMuscle now carries a growing selection Valvetrain components including camshafts, springs, retainers, valve spring kits and even cylinder heads, all so you can make more power. Apparently, there had been this lively exchange among Mamo and multiple forum dwellers on a Corvette website with several guys making exaggerated claims about certain cylinder heads. Afr Bbf 295cc Bullitt Cylinder Heads Raised Exhaust Big Block Ford 85cc 3825. By Steve Dulcich. 08 intakes should flow very well but read somewhere that certain bore sizes that big of valve may become shrouded. Shown here are just a very few of the many cylinder heads and packages that we offer. 60 valves but has a 170cc int port, because of the design it actually has better flow in the low and mid lift than the AFR 165 and the AFR 185 and will not kill bottom end TQ in fact in most cases even on a stocker the low end will increase, the other plus is you get more piston to. I have a small…. Cylinder Heads. For best results, please be specific and be patient. : 865-573-9151. It may take several seconds to display the results.



We wanted to include the biggest, baddest heads possible and AFR is known for making the best heads in the industry. We stock cast iron and aluminum heads to suit a wide variety of engine types and applications from street cars to drag racing, dirt and asphalt oval track, off-road, marine and more. Founded in 1997 by Matt Bieneman,. 0L Ford Racing J Aluminum Cylinder Heads 302 GT40 COBRA FORD MUSTANG 302 5. Aluminum racing heads on-sale now at CNC-Motorsports , Shop the b. Some of the heads with large flows and big runners are not going to be good street heads, since they will have slow flow through the runners at street rpm. SMALL BLOCK FORD Cylinder Heads; Big Block Ford Cylinder Heads; Small Block Ford Top End Kits; VALUE LINE Cylinder Heads; Intake Manifolds. Holley is pleased to announce that Air Flow Research (AFR) has signed on as the official cylinder head of both LS Fest West and Bowling Green events. Trick Flow Specialties is a leading designer and manufacturer of high performance cylinder heads, intake manifolds, and engine components. Air Flow Research. T&D SHAFT MOUNT ROCKER SYSTEM FOR KAASE P-51 CYLINDER HEADS $1375. The F-series is Frankenstein's first line of proprietary LSX based cylinder head castings. ARP Offices Closed July 4, 2019 New Product Guides! NEW KIT: Chevy Big Block Head Stud AFR 18° Heads. Heads, AFR 215cc LS1 Cylinder Heads CNC Ported w/ 64cc chamber assembled w/ 2. Here are my main options for a small bore LS1: 1. 600 exhaust valves with AFR’s iron ductile interlocking valve seats. AFR BBC 357cc cylinder heads will work best with camshafts exceeding. It may take several seconds to display the results. The Complete Cylinder Head Guide for Chevy Small Block Engines A factor more influential toward successful high-performance engine building than any other is the cylinder heads.



Hot Rods "Budget" aluminum cylinder heads. 5 compression ratio, and running on pump gas. I am planning on installing a set of AFR 185 (with 2. Some AFR heads have hardened stellite tips which. 400 bore center; MRH 11° Outlaw Late Model Brodix 10° Super Late Model 4. All flow numbers for AJPE — Alan Johnson Performance Engineering heads come from their Web Site updated Aug. Ford 302 351C Cleveland 220cc 64cc As Cast Bare Aluminum Cylinder Head; PCE281. Our fully ported cylinder head is perfect for those who are looking to get the most horsepower from a small block Ford racing engine. 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. Though these heads maintain an outward appearance of conventional heads, they are not. AFR 180cc Street Cylinder Heads 9 to 1 Compression 1 5/8” Headers Edelbrock #7101 and 600 cfm Holley Carb 110E Hydraulic Cam (this appears to be a flat tappet based on lift) Intake:. It may take several seconds to display the results. These cylinder heads are direct replacements for OEM heads on 1987 and newer GM Small-Block V-8 engines. 600 lift) and features 2. 02" Intake Valve and 1. "All are available in entry-level and high-end versions.



Mid lift cfm is what matters you're not building a drag car or dyno queen are you?Check the mid lift flow numbers on an afr 265 cylinder head and compare it to other brands. AFR MONGOOSE 15° LS CYLINDER HEADS - 230cc - 62cc CHAMBER - CNC PORTED - ASSEMBLED - 1610. (661) 257-8124 FAX (661) 257-4462 www. We offer high performance workmanship on engines, with facilities for the development of hi-tech engines. PICTURED ABOVE ARE OUR FULLY CNC'D AFR HEADS. Starting at: $1,599. Airflow Research also makes several aftermarket cylinder heads for Ford small-blocks. After Market Heads. AD Performance is your engine power experts for high performance domestic V8 engines parts: from individual components from such renowned performance manufacturers as AFR, TFS, DART, World, Scat and Eagle, Comp, JE, Ross, CP and Probe. AFR Cylinder Heads For over thirty years Airflow Research has been defining technological leadership in cylinder head manufacturing and flow dynamics. 650" lift which means to get the most out of them - you need a fairly big lift cam (most hot hydraulic rollers are around. Specifically designed for using a 3. Why buy a set of heads with the wrong parts when we can build you a custom ported set of heads complete, ready to bolt on with the right parts. He was hung around 460 or so with the L92 heads on the same dyno. Air Flow Research will be introducing four new Chevy SB cylinder heads this fall: a street head with 180 and 195 cc intake ports, a 210 cc performance head with raised runners for 350 and 383 street/strip engines, a larger 220 cc head also with raised runners, and a 230 cc head with raised runners for serious drag racing. It may take several seconds to display the results. Afr 235cc - $2,639. + AFR Cylinder Heads, Race Porting, Aluminum, Assembled, 205CC, 1458.



Free shipping US only lower 48 states only AFR 210cc SBC Eliminator Competition Cylinder Heads 65cc combustion chamber #1103 The Most Powerful 23° Standard Racing Head Available These heads are used & freshly serviced by AFR, with all new intake and exhaust valves, new 5-angle valve job, and new seals. Record setting horsepower with cylinder heads from BTR. Holley is pleased to announce that Air Flow Research (AFR) has signed on as the official cylinder head of both LS Fest West and Bowling Green events. To get the best high performance & horsepower from your motor engine contact Cylinder Head Specialists of Christchurch, New Zealand. World Products - Bill Mitchell Hardcore Racing Products. 80's in a 3700 lb car? This is the head you can do it with! The new KRE Aluminum D port head has the latest developments in cylinder head technology incorporated into it. Does anyone know where i can get a flow sheet for the stock victor jr's?. Cylinder Head Type AFR Heads w/Coolant Eyebrow. In THAT thread he SPEAKS on unshrounding the valve. Over 40 years of selling quality After market, high performance parts such as engine blocks, cylinder heads, intake Manifolds, and many other high performance engine parts for street, off road, marine applications and from week end cruisers to all out race applications. Home Website Design & Web Development by AYC Media. SBC ProComp Aluminum Cylinder Heads 210 Runner Assembled - Item # PCM 3003C. Huge Power For Big-Block 460 Fords Is A Bolt-On Deal With These Breakthrough P51 Cylinder Heads From Jon Kaase Racing. Edelbrock heads are available in two different versions with either 1. Categories. Call AFR toll free, (888) 549-2211 for a RMA #.



Air Flow Research Performance Cylinder Heads for Chevy Small Block With 180cc Intake Port Volume and 23 Degree Valve Angle. Cylinder Heads Chev SB, Cast Iron GM Vortec Heads, AFR Aluminum Heads, Brodix Aluminum Heads, Dart Cast Iron and Aluminum Heads, Edelbrock, Goodwin Competition. KRE Aluminum D Port Head. Neither of those heads can be considered that modern of a design nor very cutting edge. hey fellas well almost time to build a new piece for the 65 stang (331 or bigger) and have my choice of cylinder heads narrowed down to victor jr's or afr 205. 60 exhaust valve. The heads simply changes the rules for SBC cylinder heads. one of the most premier engine builders in the world but together a 347 with the smaller afr 185 heads and made. Air Flow Research Check it out. Higgins Race Heads - 1/11 Swift Way Dandenong South, Dandenong South, Victoria 3175 - Rated 4. Ford Big Block * * | * * * * * * Clegg Engine and Machine 1599 West Center. 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 JavaScript seems to be disabled in your browser. The range of original equipment GM LS cylinder heads offers decent performance out of the box, the mostly notable of which is probably the L92 head. Most flow numbers for AFR — Air Flow Research heads come from their Web Site or '05/'12/'13 Catalog, updated Aug '16. 500 BORE AD MORE. Now, you don't want to lift the valve that high on the street of course but like an AFR, these heads do like lift. Racing and performance cylinder heads from World Products, Profiler, PBM and other leading manufacturers. Shop the best cylinder heads by AFR, Brodix, BMP, CHI, Dart, EQ, and World Products. That can result in cylinder heads that don’t fit an engine’s performance needs—or the actual engine itself! “‘Bolt-on’ installation doesn’t necessarily mean a set of cylinder heads will work,” Bosiljcic said. They said 2-3 weeks for the order and it came in less than two. Afr Cylinder Heads Website.