Afr bbc heads. Most of the newer designed dome profiles will clear.

Afr bbc heads High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption Air Flow Research recently launched its newest product, BlackHawk Cylinder Heads for the Mopar Gen III Hemi, at the 2023 SEMA Show in Las Vegas, Nevada! Enter to Air Flow Research Debuts BlackHawk Cylinder Heads for Mopar Gen III Hemi Read More AFR 357cc Magnum BBC cylinder heads will work best with camshafts exceeding 0. 875 ON A RACE FUEL SETUP, (12 TO 1 COMP. Intake Valve, 10 Degree Locks, 1. 5K views 16 replies 8 participants last post by MarkP Oct 15, 2018 Our new 195cc SBC Enforcer cylinder heads are a budget friendly offering that is available as a “No Parts” head or can be ordered fully assembled with the same great components found in our higher end cylinder heads; such as ARP rockers studs, PAC Racing springs, AFR adjustable guide plates and our Stainless Steel valves. Lbs. 050 lift and at least 10. Cylinder Head Options: 3704-Porter's Castings/Seats And Guides Only. The heads will have larger intake valves installed and be reworked where needed. Designed to seamlessly integrate with our acclaimed AFR Magnum Oval port cylinder heads, this manifold promises a hassle-free enhancement to your engine’s capabilities. 714/714 262/266 at . Check out the details and corrected power here in this install! Lifting the aluminum AFR BBC heads, very cool. They feature partially CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Find AFR 290cc Oval Port Magnum BBC Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! AFR 290cc oval port Magnum BBC cylinder heads feature 100 percent CNC porting on the exhaust, intake, and combustion chambers to provide the ultimate in oval port performance. 880'' one-piece stainless valves, 1. Mar 16, 2012 · Heads currently are closed chambered heads that came off of a 396/375HP. Sponsored. Intake Valve Seats, Aluminum, Chevy, Big Block, Each. Find AFR 345cc Magnum BBC Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! If huge horsepower is what you're searching for, then AFR 345cc Magnum BBC cylinder heads will certainly deliver. These cylinder heads are sold individually. High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption AFR recommends the use of . General Recommendations for AFR Cylinder Heads: Jan 13, 2025 · AFR 335cc Enforcer BBC Cylinder Heads. Don't let their size fool you—AFR Magnum 305cc "as-cast" heads with a CNC bowl blend will provide you with flow numbers that most medium-sized heads, and some larger, can only dream about. AFR offers two versions of oval port heads: 265-cc as-cast intake runners or CNC ported with 290-cc runners. Air Flow Research Aug 22, 2008 · Best Valves for AFR BBC Heads. 050. By having the intake ports raised . 300 Intake 1. 97-98 vehicles you must use Center-Bolt valve covers versus the factory covers. General Recommendations for AFR Cylinder Heads: Bar Codes - Please keep the bar code & paperwork shipped with your head, these contain all the specs for your heads when calling AFR. 120" thick-wall pushrods. plan on shifting at around 6800 / 4. 300 Legal for 1994 and older emissions controlled vehicles under CARB EO #D-250-2. AFR 325 cnc chamber, milled to 109cc by PCHS as per Tony Mamo. 250 or . AFR 335cc Enforcer BBC Cylinder Heads 3002 Cylinder Head, 335cc Enforcer, Bare, 2. AFR Heads, 3640 BBC AFR 290 Oval Port Heads, CNC Ported, 112cc, Hydraulic Roller Springs AFR, BB Chevy, Aluminum Heads, Intake Runner 290cc, Combustion Chamber 112cc, 2. 300 in. 300 valves. AFR 265cc Oval Port Magnum BBC Cylinder Heads AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. AFR advertises the 4910 as the ultimate out of box match for their oval heads. Premium hardware such as 2. May 1, 2024 · The AFR BBC line of aluminum heads featured a number of impressive features including 3/4 inch thick head deck surfaces for maximum sealing, perfect for our supercharged application. AFR Heads, 3708 AFR BBC 18 Degree, CNC Ported (1 Head) AFR, BB Chevy, 18 Degree, Aluminum Heads, Intake Runner 457cc, Combustion Chamber 90cc, 2. 700 With the exception of the perimeter valve covers on 97-98 motors, your AFR cylinder head will accept all factory GM components. AFR's 265cc Magnum "As Cast" Oval Port heads are the preferred choice over reworked factory heads. thick cylinder head deck, reinforced rocker stud bosses, and premium one-piece stainless steel 2. along with the combination of moving the valves to 18 degrees, Magnum 18 degree cylinder head will flow a whopping 498 cfm of air through the intake ports at 1. 55" OD Hydraulic Roller Springs. $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: LABOR AFR 265cc BBC Magnum As-Cast Heads . Sep 6, 2024 · AFR 265cc BBC Magnum Oval Cylinder Heads. Nov 1, 2020 · Speaking of AFR, I understand they sell a cheaper line of heads now, that are not USA castings. 880 Exhaust Valve, CNC bowl blend, Partially CNC Chamber w/ Hydraulic Roller Springs . AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. 88 exhaust valves. WE HAVE ACHEIVED APPROX. 790 lift. Usual AFR BBC issues though. 905") block. Finish: Natural. ). 880 Exhaust Valve, CNC bowl blend, Full CNC Chamber w/ Hydraulic Roller Springs . I think an AFR 290 on a 496 would be just fine. Once again, AFR has included it's trademark 3/4'' deck, reinforced rocker stud bosses, and thick rugged castings, so you can own the strongest and most efficient heads on the market today. Mills - Flat or angle mills could affect flow numbers and might require a thicker intake gasket. 800 exhaust valves. AFR Big Block Chevy With some domed aftermarket pistons, it may AFR 325cc Magnum BBC Cylinder Heads. Independent flow bench testing shows over 400 cfm with 2. Going over the afr bbc enforcer head with actual flow numbers AFR 335cc Enforcer BBC Cylinder Heads 3001 Cylinder Head, 335cc Enforcer, Assembled, 2. Can I use AFR large-bore cylinder heads on my small-bore block? Yes, you can run our cylinder heads on your small-bore(3. The phrase "having your cake and eating it too" would certainly be appropriate with their moderately sized intake runners producing Find AFR 305cc Magnum BBC Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Don't let their size fool you—AFR Magnum 305cc "as-cast" heads with a CNC bowl blend will provide you with flow numbers that most medium-sized heads, and some larger, can only dream about. If you've got the displacement AFR has the cylinder head to feed it with an Find AFR 385cc Magnum BBC Competition Racing Heads and get Free Shipping on Orders Over $109 at Summit Racing! AFR 385cc Magnum BBC competition racing heads will feed your large displacement, high-rpm race engine the air it needs to deliver monster performance. Two are required per engine. 725" Max lift ARP Head Stud Kit 235-4303; 12pt Chromoly for BBC w/AFR, Bowtie, Dart Heads Opens in a new window or tab PerformanceParts - Right Parts, Right Price, Right Away Jan 26, 2011 · I'm running a 315 head on a 540 pump gas engine as well. AFR 3001 Enforcer BBC Cylinder Head 335cc Intake 122cc Chamber Aluminum Single. All AFR big-block Chevy heads have water jackets that are compatible with Mark IV, Gen V, or Gen VI blocks when used with the appropriate head gaskets. 550 in. 5 motor on pump gas and street legal in a 1973 Vega. Will I have any issues by going to a 2. I have T&D 1 piece intake stand, also. Dual Valve Springs, Aluminum TREperformance sells new AFR 265cc BBC Oval Port Magnum aluminum cylinder heads from Air Flow Research for almost any Chevy big block vehicle, this is for part # 3610. I have a 10. Stud Girdles - Due to many available factory OEM and aftermarket style/variations your existing stud girdle may not fit (AFR heads require AFR Stud Girdles) AFR's 325cc BBC Enforcer Cylinder heads feature our Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. Jan 18, 2018 · Other than very high-end race heads, most big-block Chevy heads have chambers around 119 to 120cc, so the choice is more one of piston design for street/strip engines. The 357cc come standard with AFR's trademark . Does not sound true. 250 Intake 1. My guess it will make 630 hp and the same torque. 190 Intake 1. Part Bbc Chevy 496-572 Afr Enforcer 335cc Aluminum Heads Assembled 274-bbc-enforcer Jul 28, 2017 · if your looking for a set of cheaper heads maybe look into the pro maxx heads, i have an older set before they where pro maxx, they are patriot performance, anyways, from my understanding they are cast over seas, and final machined in alabama , the set i have is very nice, all the machine work is clean, the castings are clean, and i think they AFR 377cc Magnum BBC Competition Racing Heads. General Recommendations for AFR Cylinder Heads: Apr 21, 2015 · Adding AFR 265 oval port heads can add at least 80 horsepower. engines. 250 in. The 345cc come standard with AFR's trademark . 880 in. They come standard with stainless steel 2. Heads have been ported and polished. The heads have also been modified to accept the 2. intake and 1. Most of the newer designed dome profiles will clear. The Magnum 18 heads flow an impressive 498 cfm at 1. 120" thick AFR 290cc BBC Magnum Competition Heads . Is it as good as AFR claim? Certainly the flow as much and, at some lift p Cyl Head, AFR Enforcer "As-Cast", LS1, 210/82cc, 64cc Chamber, Angle Plug. With a 185cc intake runner size, the heads fall into the larger side of the 302-based street engine offerings while still being large enough to provide an upgrade in a 351 Windsor engine. For ideal geometry and wipe pattern on BBC heads, AFR strongly recommends AFR stud mount rockers for applications below 7400 RPM and . High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption AFR 457cc 18* BBC Magnum Competition Heads . Since the AFR heads continue to flow well past 0. THAT IS OUR BEST HP NUMBERS ON A PUMP GAS SETUP TO DATE, AND WHO KNOWS HOW MUCH MORE THEY ARE CAPABLE OF. Summit Racing SpeedCard - learn how to get 15% back up to $150 Sep 30, 2024 · 123cc COMBUSTION CHAMBERS 335cc runners. 94" (Identical) The Maxx 317 is truly a rare breed in today’s market. Cylinder Heads, CNC Blended Bowls, Aluminum, Assembled, 117cc Chamber, 325cc Intake, Chevy, Big Block, Pair AFR BBC 345cc cylinder heads will work best with camshafts around the . AFR's 3001 325cc BBC Enforcer Cylinder heads feature AFR Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. I was told by my machinist who builds a lot of engines that the head is real thin but I had already bought the heads. For ideal geometry and wipe pattern AFR strongly recommends AFR stud mount rockers part #6043 for applications below 7400 RPM and . The AFR is a "roval" head and most aftermarket intakes are oval ports. 2:1 COMPRESSION STRAUB CUSTOM CAM Jan 20, 2021 · AFR’s 325cc BBC Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your 509 to 540 Cubic Inch operating below 6500 RPM. 94" RPM Air Gap, port height ---1. 850 And just to be clear before it comes Jan 29, 2007 · I am trying to finish a project put aside for a year. The standard combustion chamber volume for the fully CNC-ported 335cc is 121cc. Intake runners are approximately 330cc. Jun 4, 2023 · The whole point is many many people shit on the Flotek/Promaxx as a shit ProComp style head? They just think or see CHINA as must be inferior. 00 of labor. thick head deck, A356 aluminum castings and Titanium retainers, as well as 100 Sep 1, 2009 · AFR has released an all new 375 cc Magnum Series BBC head, the largest and highest flowing BBC product in its line-up with flow numbers that are closer to 18 degree Pro-stock style heads. 725" Max lift (Pair) AFR is proud to announce their answer to that with these all new 385cc Magnum cylinder heads, the largest and highest flowing Big Block Chevy product in the line-up with flow numbers that are creeping up on many competitor's 18-degree Pro-Stock style cylinder heads. and tech support said to use red Loctite but I went with Wolfplace & BillK and I think a few others info, I also used my finger tip to wipe any sealant that got into the runner before it Apr 25, 2003 · I have AFR 335 heads on my 565 BBC with a 260/268 with . in. The intake runners and exhaust ports are partially CNC machined, while the combustion chambers are offered with partial or full CNC machining with a bowl blend; this torque monster is capable of flowing AFR's 335cc BBC Enforcer cylinder heads feature their Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners, and combustion chambers that allow for extremely accurate and repeatable port location/performance. 9 w/121cc chamber intake: holley strip dominator -will probably change carb 4150 w/ proform 1050 hp style main body Sep 16, 2003 · My buddy just got his AFR 335 cnc'd heads, 2. 600 Lift Hydraulic Roller Springs Learn More May 1, 2010 · The first attachment is the RFD heads, second is the new Darin Morgan Profilers & third is the all new AFR heads Note that the AFR head is untouched as it comes off the CNC & has 45° seats Both the RFD & Profiler are 50° seats All have a 2. 750'' (3/4'') thick head deck, reinforced rocker stud bosses, and are equipped with premium one-piece stainless steel 2. gross valve lift to make better use of the substantial airflow found in the higher lift range. Aug 26, 2020 · full dyno results-340 promaxx vs 345 afr-cheap vs brand name? check out this video comparing the full cnc promaxx 340 bbc heads against the as-cast afr 345 h Description: The 385cc heads are AFR's largest and best flowing BBC heads! They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers, and high quality components Nov 29, 2021 · In this , episode 34, DV gets to grips with the new AFR 'Enforcer' BB Chevy heads. Rocker Stud Torque: 55 Ft. The upgrades are almost too numerous to list, so we'll take a look at the as-cast, CNC bowl-blended, aluminum Magnum 325cc intake port head. But they were almost $3000. Designed for 540 ci and larger racing engines, AFR The 325cc comes standard with AFR's trademark . 050" offset intake stud mount rocker with the AFR supplied guide plate (exhaust will use a standard rocker). 45). AFR's 335cc BBC Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. 300'' intake General Recommendations for AFR Cylinder Heads: Bar Codes - Please keep the bar code & paperwork shipped with your head, these contain all the specs for your heads when calling AFR. com Find AFR 325cc Magnum BBC Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Are you looking for big torque and horsepower numbers? AFR's 325cc Magnum big block Chevy line of medium-volume intake runners will provide you with exactly that. studs to proper length then used Permatex high performance thread sealer on all the studs, Brodix inst. operating below 7,000 rpm—and are capable of flowing 400 cfm at 0. I personally owned a set of BBc ProComp heads, that on the same 500+ inch BBc in a dragster, OUTPERFORMED these AFR 335 AFR recommends the use of . Out came the mild cam and in went a healthy solid roller from Comp Cams that offered AFR 335cc Enforcer BBC Cylinder Heads 3001 Cylinder Head, 335cc Enforcer, Assembled, 2. The order was placed at the end of may so I hope they get them soon. Oct 31, 2020 · I read an ad on them some where and it said they were set up for a 700 lift hyd roller and the castings are the same as other AFR heads but with out the CNC work. Shop Cylinder Heads at Summit Racing. 050" offset rocker arms the roller tip of the stud Free Shipping - AFR 377cc Magnum BBC Competition Racing Heads with qualifying orders of $109. Correct? Now someone is spreading a rumor that no AFR heads are USA castings. 060-inch overbore with a 4. 30s/1. thick head deck, reinforced rocker stud bosses, and premium one-piece stainless steel 2. 000 in. Compare to any brand, this head makes power! Jan 30, 2010 · I would be insane to think my basic 2. com. 750'' gross valve lift to make better use of the substantial airflow found in the higher lift range. AFR Magnum 18 Degree 457 cc Big Block Chevy head are the highest flowing head offering from AFR for Big Block Chevy engines. 750+ gross valve lift mark to make better use of the substantial airflow found in the higher lift range. 781's with nothing more than a 2. These budget friendly heads are offered for SBC, BBC, and LS1 as well as having the AFR 335cc Enforcer BBC Cylinder Heads 3002 Cylinder Head, 335cc Enforcer, Bare, 2. They don't drain back well and tend to suck oil into the guides over 6K for any period of time. Exhaust Port Gasket : AFR 033-6858: Head Gasket : 4. Opens in a new window or tab. 880 Exhaust Valves, CNC Ported with 1. Specifications: - A356 Aluminum Material Nov 5, 2021 · From AFR's website on BBC heads: AFR Big Block Chevy. 190 valved 049-781 will run with that CNC ported AFR head, because Im sure it will not! Its getting hard looking at those greasy GM head castings every week knowing how much work its going to take to turn them into a head capable of making 800 plus HP. With AFR's trademark 3/4'' deck, reinforced rocker stud bosses, and thick rugged castings, you can own the strongest and most efficient heads on the market today. These heads are built to improve your ride’s airflow through the use of partial CNC-ported intake, exhaust, and combustion chambers. lift. The A356 aluminum castings are matched with other high-quality components to ensure a lightweight construction that handles heat with ease. 50 bore @ 28". Nobody makes an aftermarket closed-chamber head. 500 in. and for a street / strip engine around a 510 cube, they should be perfect, and engine should last AFR's 325cc heads are designed feature partially CNC ported intake, exhaust, A356 aluminum castings and high quality components throughout. AFR Heads, 2000 BBC AFR 315 Magnum Heads, CNC Ported, 121cc AFR, BB Chevy, Aluminum Heads, Intake Runner 315cc, Combustion Chamber 121cc, 2. 88'' one-piece stainless valves, 1. The AFR BBC heads also featured reinforced rocker stud bosses, rolled valve angles (two degrees) to improve flow characteristics, and an exclusive combustion Upgrade option for BBC, SBC, BBF, & SBF with spring 8000, 8002, 8005, 8016, & 8023; Comes standard on BBC, SBC, BBF, & SBF with spring 8001; SBC/SBF require AFR #9009 Bead Lock Keepers; BBC require AFR #9005 Square Lock Keepers; BBF require AFR #9010 Bead Lock Keepers (1 Piece) or (Set of 16) AFR, SB Chevy, Aluminum Heads, Street Ready CNC Ported, Intake Runner 195cc, Combustion Chamber 75cc, Angle Plug, 2. Jan 25, 2023 · You can make a really nice set of heads for a lot less than a new set of alum heads. Component upgrade and machining options are available to customize AFR Heads to your specific build (see pg. AFR BBC heads are designed for 3/8" pushrods, larger pushrods will not fit without clearancing and is not recommended since some areas are very thin. With some domed aftermarket pistons, it may be necessary to slightly clearance or modify the piston due to our more efficient heart shaped combustion chamber design. 880 Exhaust Valves, 100% CNC Ported, Solid Roller Cam Springs . AFR'S 335cc BBC Enforcer Cylinder heads feature our Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. Shop Now at the Guaranteed Lowest Price! $5 off $49 / $15 off $249 / $30 off $499 / $65 off $999* - Use Promo Code: 2025 AFR’s new 457cc 18° Big Block Chevy cylinder heads are our best performing highest-flowing heads in our BB Chevy lineup. 88s. M. It is the customers responsibility to verify proper piston to head clearance. 25-inch stroker crank. 950 Max Lift, Titanium Retainers, Price Per Head General Recommendations for AFR Cylinder Heads: Bar Codes - Please keep the bar code & paperwork shipped with your head, these contain all the specs for your heads when calling AFR. These heads are compatible with engines that operate up to 6200 RPM. Tony will be modifying the heads in his shop at home. 375 raised exhaust port compared to many other heads. 550 Hydraulic Roller Cam Springs, . AFR's intake gaskets are designed to ensure the best possible port fitment and sealing with your AFR Big Block Chevy Magnum cylinder heads. 600 Exhaust Valves, Assembled Heads, . Feb 6, 2014 · '69 camaro, was orig SS 396 car. 645 Springs . I also tried different intakes to see how they compare wi Nov 13, 2006 · Engine Mods - Any Experiences on New AFR BBC Heads? - Anyone have experiences on the new AFR Big Block Chevy cylinder heads? My brother is looking at them seriously for his 427 (now 461) Capricesspecifically the 315 CC models. 550'' double springs, 10-degree locks and retainers, and high quality studs and AFR 377cc Magnum BBC Competition Racing Heads 2015-TI Cylinder Heads, 377cc Magnum BBC Competition Racing Heads, Aluminum, Assembled, 122cc Chamber, Chevrolet, Big Block, Pair Part Number: AFR-2015-TI Larger pushrods will not fit without clearancing and is not recommended since some areas are very thin. Pro-Filer BBC Cyl Heads 290-320-355-370-375cc Bare-Assembled, As Cast or CNC Ported 290cc – 320cc w/CNC Chambers, BARE from $3098 AFR Heads, 3610 BBC AFR 265cc Oval Port Heads, 109cc, Hydraulic Roller Springs AFR, BB Chevy, Aluminum Heads, Intake Runner 265cc, Combustion Chamber 109cc, 2. High Volume/Pressure Oil Pumps - If you are using a high volume or high pressure oil pump it can submerge the valve seals in oil causing smoking or oil consumption May 1, 2015 · To allow the AFR heads to strut their stuff, the 521 crate motor from Ford Racing was treated to a cam upgrade. 300'' intake valves Get the best deals for Bbc Afr 385 Heads at eBay. I review an AFR 265 BBC head and flow it on my flowbench and share the numbers. Our combustion chamber shapes are very critical to flow and altering the cylinder head can adversely affect flow and power production. This line was designed to optimize low and mid-lift airflow, while still generating impressive peak Oct 2, 2008 · Magnum 325cc BBC Cylinder Head AFR's Magnum heads are available with a variety of upgrades, ranging from intake port sizes starting at 305 cc all the way to 357 cc. Brand New. We took the heads to the guy I use right down the street - on a 4. Scott I know you know very well the quality and Hp potential of the "CHINA' head. Jul 18, 2012 · A common stroker displacement, our 496 was the result of combining a 0. 25 or 2. 300'' intake valves and 1. I wish Brodix would come out with a BBC budget head, I checked and didn't see any. The heads look good, big bowls/small ports, real nice exhaust ports. To ensure trouble free operation of AFR cylinder heads & parts please view the footnotes on pg. Buy It Now. AFR 265cc BBC Oval Port Cylinder Heads Hydraulic Roller Springs - Air Flow Research 3610 - TREperformance. Cylinder Head Options: 3610-CNC Bowl Blend/109cc Chamber/Assembled/Hydraulic Roller. 30 intake valve? Mar 29, 2020 · My Brodix 294 RR-R int. I figured Brodix and AFR just wanted to compete with china but I'm not certain on that. Our BBC rotating assembly came from the experts at Scat Enterprises. they flowed int: 319@400 and 409@700, and the exh. If you’ve got the displacement AFR’s head can feed it with an intake port that flirts with 440 CFM at a usable lift-point, and enough complimenting The 315cc heads are AFR's largest and best flowing BBF heads! They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, and high quality components throughout with . 108 icl 112 lsa. 625 raised exhaust port locations. AFR's 3001 335cc BBC Enforcer Cylinder heads feature AFR Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. 540'' Bore, Fel Pro 375-1017 AFR 033-6850: Head Bolts & Studs General Recommendations for AFR Cylinder Heads: Bar Codes - Please keep the bar code & paperwork shipped with your head, these contain all the specs for your heads when calling AFR. These heads feature AFR's AFR 457cc Magnum BBC 18 Degree Cylinder Heads AFR 457cc Magnum BBC 18 degree cylinder heads were built specifically for high horsepower race applications. Nov 11, 2024 · I decided to a buy the AFR 4910 intake for my 502BBC with 265 AFR heads. 400 intake valves and 1. antisipating at least 700 hp and 650 tq. $908. 81. We AFR 305cc Magnum BBC Cylinder Heads. AFR BBC Intake Gaskets for 345cc, 357cc, 377c, & 385cc. . 1. Is it or have something changed over the last few years. Recommended for more aggressive street, or street/strip builds with displacements up to 540 cubic inches, operating up to 6800 RPM. Mar 5, 2013 · As indicated by our previous BBC head testing, big flow and small ports combine to make serious power. This line was designed to optimize low and mid-lift airflow, while still generating impressive Jan 30, 2020 · Upside of the AFR 290 is the . AFR's 335cc BBC Enforcer cylinder heads feature their Permanent Mold "As-Cast" Technology surfaces on the intake runners, exhaust runners, and combustion chambers that allow for extremely accurate and repeatable port location/performance. 714 lift. It is as followed: MARK IV 496 BBC AFR 290 HEADs 10. They seem to be the ultimate for flow vs port size on the medium power range street Jun 28, 2018 · The 265 heads are fantastic. Maxey · Registered. 750'' (3/4'') thick cylinder head deck, reinforced rocker stud bosses, premium one-piece stainless steel 2. 120. 33 /each. Joined Aug 22, 2008 · 872 Posts #21 · Nov 2, 2020. Dual Valve Springs, Aluminum AFR 315cc Magnum BBC Cylinder Heads. Please note that with the . My combo will not push them to the limit either, but will make a nasty street engine. 898"-3. Jul 28, 2009 · AFR BBC Oval Port Heads Jump to Latest 94K views 177 replies 56 participants last post by Stokerboats Mar 3, 2010 AFR Heads, 3610-1 BBC AFR 265 Oval Port Heads, 112cc, Hydraulic Roller Springs AFR, BB Chevy, Aluminum Heads, Intake Runner 265cc, Combustion Chamber 112cc, 2. 19 valve and performance valve job will flow over 300cfm and that's 700hp potential. AFR recommends the use of . AFR 377cc Magnum BBC Competition racing heads feature 100 percent CNC-ported intakes, exhausts, and chambers; A356 aluminum castings, Titanium retainers, and high-quality components throughout. Intake Port Gasket: Fel-Pro 375-1212 - DO NOT PORT MATCH Intake Manifold to Fel-Pro Gasket. For the record here are some of the measurements compared to an Edelbrock RPM Air gap 7516: AFR 4910 Intake, port height --- 1. 850 Lift, Pair AFR 335cc Enforcer BBC Cylinder Heads 3001 Cylinder Head, 335cc Enforcer, Assembled, 2. was 298 without a pipe. Heads are designed for 3/8" pushrods. They're recommended for radical street/strip, Pro Street, or racing applications on engines up to 572 cu. Piston to valve clearance was measured at . 880'' exhaust valves. I dyno tested a set of AFR 265, Brodix RR270, and Promaxx 290 heads. AFR's 345cc BBC cylinder head is recommended for radical street/strip, "Pro Street," or racing applications with displacements up to 572 cubic inches, operating at or below 7000 RPM. 850 Max Lift, Pair Mar 1, 2008 · The MuleIf you recall, we built a 496ci Rat in the Mar. AFR 325cc Magnum BBC Cylinder Heads 3250-1 Cylinder Heads, 325cc Magnum BBC, Aluminum, Bare, 121cc Chamber, 325cc Intake, Square Exhaust Port, Chevrolet, Big Block Oct 8, 2008 · if you think the 265cc AFR BBC heads perk up an engine, you have to try the 300cc AFR versions, I've read more than a few dyno tests showing the results are very noticeably favoring the marginally larger port size especially if matched to a roller cam with at least 245 degrees of intake duration at . 880 Exhaust Valves, CNC Ported, Solid Roller Cam Springs . I wouldn't think weight is a big issue. these heads flow very well for a 315 runner. 700 lift, we feel there might also be The 315cc heads are AFR's largest and best flowing BBF heads! They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, and high quality components throughout with . I share the results from them. They produce tremendous airspeed and are ideal for 396-509 cu. '07 issue that made a stout 707 hp on pump gas with a set of as-cast 305cc AFR rectangle-port heads and a big Comp mechanical roller cam. Say goodbye to the painstaking task of port matching, as it is a direct bolt-on solution for our select cylinder heads. Before these, I had the GM Bowtie head, conventional port location. 11 gear / glide / 4500 stall / 3000 lb car . $590. 88 ex & Darin's Profiler has a 1. Cylinder Head Options: 3640-Fully CNC Ported/112cc Chamber/Assembled/1. This head will change the industry. Jan 5, 2007 · i am having a couple of issues with my afr 305 heads. Dual Valve Springs, Aluminum AFR BBC 357cc cylinder heads will work best with camshafts exceeding . operating at or below 6,200 rpm—providing tons of bottom-end torque, tremendous throttle response, and great all-around power. Free Shipping - AFR 300cc Magnum BBC Cylinder Heads with qualifying orders of $109. Material Type: Aluminum. Tony designed my heads also. AFR 227/235cc Heads: Due to the "60/40" stud and valve locations, shaft mount rockers are highly recommended, however if you're ONLY Drag Racing you can run a . 725 Max Lift, Pair Oct 10, 2018 · AFR BBC cylinder head oil drain back issues Jump to Latest 9. solid roller. The AFR 357cc heads come standard with AFR's trademark 3/4 in. studs go into the runner also, I used ARP 235-7205 rocker studs and cut the exh. Jump to Latest 21 - 40 of 60 Posts. original tranny & 12 bolt Now: 568 ci, Merlin Pro block Callies crank, Oliver rods AFR CNC 325, Nash 5 speed, 9'' Ford 35 spline locker Nov 25, 2023 · Mark, I have the Dart 355 CNC head and noticed the thin area above the intake ports. The 385cc Magnum features AFR's trademark . Add to Cart. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Mar 12, 2010 · ATK performance will be building me 496 with the afr 290s . Only show this Feb 4, 2020 · AFR’s Enforcer small-block Ford cylinder heads make a great budget-friendly alternative to the class-leading Renegade lineup of cylinder heads. AFR strongly recommends material be removed from the piston and not the cylinder head. 50 for additional information. lift with 457cc runners, 90cc combustion chamber, and 143cc exhaust. Mar 27, 2023 · Get the Best Performance with AFR - Airflow Research 3001 Fully Assembled 335cc Enforcer Cylinder Head Big Block Chevy 3001 parts at JEGS. 350 intake, RFD & AFR have a 1. Properly selecting the correct cylinder head for an application depends on a large number of variables. Easily fixed with drain back lines positioned low in the head to the oil pan and by opening up the drain back little holes with a rotary rasp. 16 MPG? Jan 3, 2009 · I have a 461 bbc and I am replacing my #188 iron GM heads with a set of AFR 315 full cnc heads and am looking for ideas to optimize my setup. For applications above these limits shaft mount rockers are typically advised. ” Finally, if you are looking for a closed-chamber head, you will need to use an OE cast-iron unit. Dual Valve Springs, Aluminum, Chevy, Big Block, Each Part Number: AFR-3001 AFR 3002 BBC 325 Enforcer Cylinder Heads, Bare (1) Cylinder Head Style: Bare. 19''/1. Just to put it into perspective its 2700. AFR Heads, 2001 BBC AFR 335 Magnum Heads, Full CNC Ported 121cc AFR, BB Chevy, Aluminum Heads, Intake Runner 335cc, Combustion Chamber 121cc, 2. Don't let their small size fool you—AFR Magnum fully CNC-ported 315cc aluminum cylinder heads will provide you with flow numbers that most medium sized heads, and some larger, can only dream about. Lifting the iron The 335cc heads come standard with AFR's trademark 3/4 in. General Recommendations for AFR Cylinder Heads: AFR's 335cc BBC Enforcer Cylinder heads feature our Permanent Mold “As-Cast” Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. Part These heads come assembled with ARP rockers studs, PAC Racing springs, viton valve seals, AFR guide plates, machined bead valve locks (not stamped), hardened spring seats, and one-piece 8mm 21 4N Stainless Steel valves. Current setup: weight: 3450 w/driver compression: 11. 19/1. 1 2 3. Just make sure the entire combination compliments itself. 3707-Fully CNC Ported/90cc Chamber/Bare. 050 Intake 1. Air Flow Research Enforcer series heads are composed of A356 aluminum and utilize the "as-cast" technology which provides extremely accurate and consistent performance on the intake runners, exhaust runners and combustion chambers. 800 Exhaust Valves, 100% CNC Ported, Roller Cam 1. Jan 10, 2013 · Tony Mamo the R&D guru at AFR has made an agreement with myself to rework, tweak, upgrade, or otherwise massage the high velocity, medium size ports on his design AFR 335 heads that I purchased through Chris Straub. An As Cast head that is just as efficient as competition’s CNC ported pieces. 540 shorty, shafiroff. 250'' / 1. This is right along the #s AFR claims. 550'' double springs, 10-degree locks and retainers, and high quality studs and guideplates all come as standard AFR strongly recommends material be removed from the piston and not the cylinder head. I own a set of Mamo/AFR CNC 360 heads that I think work really well for what they are on. Our small port, high velocity 265cc cylinder heads are a cost effective choice compared to re-worked factory big block chevy cylinder heads. 5:1 compression, AFR 335cc Enforcer BBC Cylinder Heads 3001 Cylinder Head, 335cc Enforcer, Assembled, 2. Big Block Chevy 265cc Oval Port 24° Magnum Street Head Specifications: Head Torque w/Moly Lube: 75 Ft. 750 in. 830hp ON PUMP GAS. Find AFR 315cc Magnum BBC Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! Don't let their small size fool you—AFR Magnum fully CNC-ported 315cc aluminum cylinder heads will provide you with flow numbers that most medium sized heads, and some larger, can only dream about. The intake runners and exhaust ports are partially CNC machined, while the combustion chambers are offered with partial or full CNC machining with a bowl blend. exhaust valves. last night while measuring for pushrod length i noticed that the guideplates actually contact my comp cams pushrods in the tapered portion of the pushrod(3/8" pushrod with 5/16" ends). A 290cc port would be too big. mild 680 lift,255/263 . Free shipping. 400 Intake 1. mcp ctylav hufl xaxlu pzjtv upqd vbzk zdfnzsc iedryvw fqewbyo