Afr 325 heads. Please note that with the .

Afr 325 heads 265" H x 1. COMBO has a ton to do with it. 750'' maximum lift 10º Chrome Moly Retainers 10º Chrome Moly Valve Locks Valve Seals Hardened Shims Intake Valve Seats Exhaust Valve Oct 19, 2021 · I review the AFR 315cc cnc ported BBC head. 100, but the rest of the port looks pretty much the same as the AFR 235 head. This is a critical dimension when choosing a head, so I'm confused as to why it wouldn't be advertised along with the flow numbers. 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 . You would as said be best off to use the 315 head which is a 305 fully cnc'd or I would get the 300 magnum oval port ! Port Velocity would be very high and they will support 750 or more HP! Jun 7, 2020 · FULL REC-PORT RESULTS, SPECS AND AIRFLOW DATA. Fast forward to head change ( AFR 335s ) more cam and 11-1 comp , some other subtle changes and 10 0s @ 136 , everything else basically same. 30 intake valve upgrade. I share the results from them. 880'' exhaust valves. I've proved that theory wrong to many times. Jun 4, 2023 · So after running for a couple seasons with the PC heads, they swapped to the AFR 335 and LOST 3 tenths. 850 Max Lift, Pair of Heads Jan 2, 2025 · Heads are designed for 3/8" pushrods. Some fitment issues such as access poor to some spark plugs and contact with upper control arm brackets. Mike Lewis Racing Engines 4axis CNC block machining All AFR BBC heads require a large bore gasket. on seat, . 310 bore and 4. It is the customers responsibility to verify proper piston to head clearance. From a cost perspective is it worth fixing these or going with new castings? Mar 27, 2011 · AFR 325 Angle milled to 108 cnc op. Mar 26, 2021 · No one mentioned the Dart Pro 1 325 yet. Aug 3, 2011 · I just received the new AFR 245 heads that have been a hot topic for about a year or so. 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. so dont realy know what to expect should be interesting to say the least . Engine is on a stand, and has not been AFR's 325cc 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. With the supplied guideplates, the stem to roller positioning is way off center, on some cylinders. General engine tech -- Drag Racing to Circle Track A 325 head would be perfectly suited to cam lift in the low/mid . Air Flow Research Magnum series heads are designed to increase low and mid-lift Air Flow, while still generating spectacular peak figures with a CNC bowl blend and that provides you with impressive flow numbers. 750 in . Quick enough to put my '70 into minimal traction Dec 2, 2012 · Either head will work, afr or dart, just will need a different cam. Flowing over 415 cfm, this head is on top of the heap. Nov 10, 2006 · The AFR 305 or 325 heads with the CNC chamber option are cheaper than the 335 & 355 CNC Dart head as the Dart's are fully CNC ported and are about 3K dollars. Jun 25, 2008 · C3 Tech/Performance - BBC Heads AFR vs Edelbrock - I'm considering various cylinder heads for a 496 BBC I'm building. 60s I believe. 31 Going over the afr bbc enforcer head with actual flow numbers They come fully assembled with the identical components found in AFR's higher end CNC-ported cylinder heads—such as ARP rockers studs, PAC Racing springs, Viton® valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring seats, and AFR's one-piece 8mm 21 4N stainless steel valves. The push rod pinch area has been made wider by about . Sep 25, 2020 · PN: TEA-BBF325TFBBF-CUSTOM 74-87 Fully CNC Machined 429/460 BBF These Trick Flow cylinder heads are designed for high performance Ford 429/460 street/strip applications, providing significant horsepower and torque gains over similar-style cylinder heads. 4. They seem to stress exhaust port efficiency more than the others. Apr 13, 2008 · AFR 325 / 345 as cast BBC heads. These budget-friendly heads are perfect for your 509 to 540 cu. I compared all the Flow Numbers they have listed for these heads and they look like they flow better than the AFR 325 heads up to . Nov 10, 2020 · Thank you for your reply. Cam is a roller 242/640 intake, 246/650 exh. There on my 540 with AFR 325 heads 1150 holley and super victor with solid roller, plenty of street and highway miles. 905") block. These heads cover the range from 454 through 582 CU IN. 625 bore. If you are planning on more street and less strip then I would consider going with AFR's full cnc ported 290 or 300cc heads. ( chris Straub ) Even the AFR 305 HEAD ,WILL destroy the edelbrock 315 ! Fig. The AFR 357 CNC and the Mamo 360 CNC, flow better by at least 20 CFM on intake and exhaust, are better castings and have better CNC work, but are $500 higher. While my little 300's did flow 405 and 325 cfm they are still small for the displacement. Im willing to se Oct 13, 2017 · Regardless, both of those heads were supposedly "out of the box". Set of AFR heads for BBC, one hurt & one still good. 250" or 2. Hot, nasty badass speed. I have Mamo 360 heads and have rebuilt pulling engines with 377 and 385 AFR heads. Our combustion chamber shapes are very critical to flow and altering the cylinder head can adversely affect flow and power production. 3L/325 Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! AFR-1501. 2 to 1 solid roller 279/288 . @[253726096745] What's the right AFR cylinder head for my engine?Dennis Pittsenbarger talks with Scott "The Hawk" Hesselgrave of Air Flow Research about cylinder head selec AFR's 185cc SB Ford 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. I know it is prob a stretch with the 325 runner . Jan 5, 2005 · I'm running the same AFR heads you have, on my 489 and I ended up with a Comp custom solid roller cam, 252/262 @. Properly selecting the correct cylinder head for an application depends on a large number of variables. Springs are AFR solid roller and were not used, I ran a different spring. 0 out of 5 stars. Free Shipping - AFR 185cc SBF Oct 8, 2023 · Wondering if anyone has any experience with this combination. They are real nice good performing heads. 5 compression ratio bracket type engine. I also like that they are available with an 85cc combustion chamber which, when plugged into my compression ratio calculations would allow me to run a flat top piston, which is better for quench, and still allow me to reach my target dynamic compression ratio. 95 out of 5 stars 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. 625 lift and 110 lope sep Stage3 200r4 from bowtie with a 2800stall and 12bolt with 3. Also on the short list is the 24* Edelbrock head by Musi. Exchanged from stock heads on rebuild. the Dragon Slayer is a 26 degree BB2 based head, an as cast version of the BB2 Xtra CNC head. The 325cc magnum cylinder head 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. I run a Crane Cams Locked HEI with there wires and the NGK 4091 plugs are always clean. Some comparable heads are double the cost of one Shocker 325 CNC. Jul 18, 2012 · Equipped with a smaller chamber shared by the AFR and Edelbrock heads, the Dart would likely be right in the hunt for maximum power. AFR 305 cnc chamber or AFR 325 cnc chambers? AFR strongly recommends material be removed from the piston and not the cylinder head. Feb 2, 2023 · AFR Heads, 2101-1 BBC AFR 325c Magnum Heads, CNC Ported Chambers, 121cc AFR, BB Chevy, Aluminum Heads, Intake Runner 325cc, Combustion Chamber 121cc, 2. AFR Heads, 2101 BBC AFR 325 Magnum Heads, Partial Ported, 117cc AFR, BB Chevy, Aluminum Heads, Intake Runner 325cc, Combustion Chamber 117cc, 2. Two are required per engine. Nov 18, 2024 · These 325cc heads come standard with AFR's trademark 3/4 in. About 30 hours on them and they run great with good idle. thick head deck, reinforced rocker stud bosses, and premium one-piece stainless steel 2. It comes with a 2. My old 496 lifted a ring and killed a piston so I've decided its time for something new. Add to Cart. I also tried different intakes to see how they compare wi Jun 26, 2015 · AFR 315 cnc heads Vic jr intake port matched to heads Pro systems HP 1000 Straub hydraulic roller, amazing. 700" of lift. Feb 6, 2014 · I have quite a few customer with AFR heads on their engine. These cylinder heads now come standard with Titanium retainers. (918) 520 - 3480. Capable of flowing 390 CFM at 0. Since the 345CFM are the same price as the 325 cast heads, and flow more I'm thinking about this unit. AFR isn't always a best head to run. Part Number: AFR-1001 4. 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. I'm not sure who you talked to at AFR, but talk to Tony. Recommended for more aggressive street, or street/strip builds with displacements up to 540 cubic inches, operating up to 6800 RPM. 637/. 050. Dual Valve Springs, Aluminum, Chevy, Big Block, Each Overview Brand: Airflow Research (AFR) Manufacturer's Part Number: 3001 Part Type: Cylinder Heads Product Line: AFR 325cc Enforcer AFR Heads, 2101 BBC AFR 325 Magnum Heads, Partial Ported, 117cc AFR, BB Chevy, Aluminum Heads, Intake Runner 325cc, Combustion Chamber 117cc, 2. 25-1, Crane #139741 - 234/242 @. Find CHEVROLET 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. AFR strongly recommends material be removed from the piston and not the cylinder head. 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. The BBC AFR heads were just introduced and not readily available. 300" valve I believe. 73 gears and moser axels 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 . These 325cc heads come standard with AFR's trademark 3/4 in. Nov 23, 2003 · AFR states their 325-335CFM heads are recommened for 454ci to low RPM marine 605ci. flow info from the manufacture is dubious at best but Darts tech info SUCKS. It comes down to 315 cnc or 325 with cnc chambers. ARP fasteners were used AFR's 357cc cylinder heads features fully CNC machined intake runners, exhaust ports and combustion chambers; capable of flowing 425 CFM at 0. . With the exception of the perimeter valve covers on 97-98 motors, your AFR cylinder head will accept all factory GM components. Looking for extra power at a reasonable price? Add the CNC option for a 25HP increase for only $395 ! Available in 310, 325 or 345cc versions. The standard combustion chamber volume for the fully CNC-ported 335cc is 121cc. any suggestions would be appriecated thanks AFR 325 Magnum Big Block Chevy heads made in USA,(Not China Enforcer) Needs 4 chambers repaired,3 minor, one worse. 050" offset rocker arms the roller tip of the stud Aug 22, 2015 · IF Any street use? I use the NGK 4091 best plug for any engine with pop ups and any street time in traffic. 550'' OD Roller Dual Valve Spring with dampner, 240 lbs. Jul 26, 2007 · Given the choice of the two I'd go with the 310 Dart over the 325 AFR. Wanna make the right choice. Sep 20, 2008 · 509's with 6. 120" thick-wall pushrods. This budget friendly head is perfect for your 350 to 400 cubic inch operating below 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. If you really wont be using say 6500 to 6800 rpm or so it really is best to pass. The recommended head bolts are ARP #155-3603, and for head studs use ARP #155-4023. 385, Mahle 18cc dome , full Hyd roller 10. Jan 2, 2019 · Forget the AFR 300's. The phrase "having your cake and eating it too" would certainly be appropriate with their moderately sized intake runners Mar 31, 2017 · I don't think the heads would be anywhere near a match for a 540. 300 Intake 1. Jul 27, 2010 · 67 Malibu Coupe SR AFR 325 heads on a 496 with a 8-71, TH400, Fab 9, True Trac, Umi RCA's 69 Camaro LS3/525, T-56 Magnum, DSE Hydroformed & Quadralink, Wilwood Aero6 under the knife soon. Would sell separately @ Good=$1200 & Bad=$700 Would prefer local cash pick up! Located in Quakertown,Pa. 5/6 car also using vic jr, praying to fit under factory 70 cowl hood. These heads outflow the competition at a price that cannot be touched. in. intake and 1. 050" offset rocker arms the roller tip of the stud Cam will be pretty good around 270 280 duration area maybe higher but no more than 650 lift to keep the system happy, also it'll be solid roller roller stability. AFR is proud to announce their new BBC Marine Cylinder Head! These AFR 325cc heads are designed feature partially CNC ported intake, inconel exhaust valves, hydraulic roller springs, hard coat anodizing and high quality components throughout. 778 on a 112 LSA making Legal for 1994 and older emissions controlled vehicles under CARB EO #D-250-2. It is available with 2. Feb 20, 2023 · Hi Guys I have a 509 BBC with AFR 325 Magnum heads and am thinking of springing for the T&D shaft rocker system that AFR sells under PN 6065. 10. AFR 3002 BBC 325 Enforcer Cylinder Heads, Bare (1) Cylinder Head Style: Bare. AFR 1006 SBC 195 Enforcer Head, Angled Plug, Assembled. Just by comparing the manufacturers head flow sheets, they are not that much different. Thinking about going with Dart 325 Pro 1 with 2. Specifications: - A356 Aluminum Material Jun 14, 2004 · I just wanted to let everyone know that my new AFR 325 (CNC'd chamber) heads arrived and their everything I could have hoped for. 95 out of 5 stars Find AFR 265cc Oval Port Magnum BBC Cylinder Heads and get Free Shipping on Orders Over $109 at Summit Racing! AFR 265cc Oval Port Magnum BBC cylinder heads are designed to be used on engine displacement up to 468 cu. I am also thinking staying with USA casting for resale value. 050" offset intake stud mount rocker with the AFR supplied guide plate (exhaust will use a standard rocker). Apr 26, 2016 · The Dart 355 are the best value in performance. 800" of lift. deck, stock valve locations, and are designed for blocks with a minimum bore of 4. The 290 heads have great potential for the average street/strip build with 500 to 600 hp goals. 3 BB Chevy Basic Package Components Competition 5-angle Valve Job Intake Valve, 2. operating at or below 6,200 rpm—providing tons of bottom-end torque, tremendous throttle response, and great all-around power. . The phrase "having your cake and eating it too" would certainly be appropriate Apr 5, 2021 · hi everyone. This the first AFR SB head that will not work with a regular stud and guide plate setup. Jun 7, 2005 · AFR 325 Heads with port work and Air gap intake ported to match gasket Lunati voodoo retro fit cam duration@. com Apr 27, 2003 · The Brodix -2 Xtra CNC heads are in the same league as the AFR 357's but the Race Rites don't even come close. I forget how much $$$ he spent to get the car back to running as fast as he did with the cheap CHINA ProComp heads. Oct 10, 2023 · Can these AFR 325 heads be repaired ? Appears to require a intake and exhaust valve seat, some welding, contouring ,2 bent valves removed and replaced, guides, valve job, etc. 250 in. Chris Straub hydraulic roller cam and a 950 quick fuel on a victor manifold. thick cylinder head deck, reinforced rocker stud bosses, and premium one-piece stainless steel 2. 2. 250'' stainless steel Exhaust Valve, 1. I run a 461 bbc (. exhaust valves. I am not apposed to up the compression or add solid roller, I drive this car on the street couple times a month and go to the track twice a Jan 20, 2021 · AFR Enforcer cylinder heads are aimed at the budget-conscious project. Finish: Natural. Apr 12, 2020 · The 325 heads should support 800 plus horsepower straight out of the box. It's being built as a hipo street engine. roller 540, using AFR 325's. AFR 325cc Enforcer BBC Cylinder Heads 3001 Cylinder Head, 325cc Enforcer, Assembled, 2. 325" intake valves. For a 540 I'd look at the Pro Maxx 317 for a budget head with a 2. i have a set on a 582 pump gas engine with 2. Composed of A356 aluminum castings with partially CNC ported intake runners, exhaust runners, and combustion PUSHRODS: All AFR heads will require pushrods that are longer than AFR #6855 for 305, 315, 325, 335cc Felpro #1275 AFR #6856 for 345,357cc Mr gasket #121 Enforcer heads feature a 0. Estimated Ship Date: Today. With 10 to 1 comp and a conservative cam , Super Vic 2 1/8 header it made 690/696. 050" offset rocker arms the roller tip of the stud Jun 1, 2008 · I have a Gen VI 502 block, now a hyd. AFR 290cc heads, Profiler 290cc heads, Trickflow 280cc heads. 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. Cylinder Heads, Enforcer, Aluminum, Assembled, 64cc Chamber, 195cc Intake, Straight Plug, Chevrolet, Small Block, Each. Both these heads have been left behind by the new AFR and Kaase design heads. 790 lift. 2 heads are a lil pricey once u complete them the afrs are 2,600 to my door, though anyway i look at it im going to have to run a sheetmetal manifold as ill need 2 injectors per cyl specially if i run this thing on e85 or methanol at the track/salt flats Cylinder Heads, Enforcer, Aluminum, Assembled, 64cc Chamber, 195cc Intake, Straight Plug, Chevrolet, Small Block, Each. These head look like the real deal for a budget motor. Does anybody have any experience with this setup? They say bolt on and talking to Scott at AFR he says that there is very little fitting to be done to make this rocker system work. These cylinder heads are sold individually. One rocker centered, while the other is noticeably off. 750" thick head deck, and reinforced rocker stud bosses. 880'' stainless steel 1. One thing that I was only able to find on the AFR heads was port area. Brand new never installed Comp Cams solid roller CUSTOM cam designed for the AFR 325cc heads and a Big Block Chevy. I currently have a set of Edelbrock Performer RPM Rect port heads on the shelf I am considering using. The 325cc come standard with AFR’s trademark . 3 AFR strongly recommends material be removed from the piston and not the cylinder head. 0012 The Shocker CNC 325cc BBC is a professional designed cylinder head using the latest CNC porting tools. 632, 112, Comp 7815-16 push rod, Comp 845-16 highenergy hyd. 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. 700 lift. I was told by a head porter that the CNCd Dart head uses a different casting than the 325 & 345 Dart Pro 1 head. It flows a tiny bit less than the 335 CNC's, but more than the 325's. 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. This budget friendly head is perfect for your 302 to 363 Cubic Inch operating below 6000 RPM. 3:1. 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'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. 705 ex. 50" with . Used original Hedman 68196 coated headers. Jan 23, 2013 · I didn't use a Dominator carb on mine, instead I used a 1000 cfm downleg booster 4150 HP along with the AFR 335cc CNC heads, Comp 266/272 solid roller with 108 LSA, Vic Jr, 2 1/8 headers, and ended up with 781 HP at 6,300 rpm and 710 ft lbs at 4,800 rpm. I dyno tested a set of AFR 265, Brodix RR270, and Promaxx 290 heads. Recommended for street, strip, or towing Nov 23, 2015 · 1969 Chevelle 540 BBC 746 HP 692 TQ Straub Hyd Roller AFR 305 Heads "America is all about speed. 250 rod 6. AFR recommends the use of . 880 in. Our Apr 14, 2008 · If we are talking about big compression (13. It runs fairly respectable for what it is. drag racing street/strip Nov 8, 2007 · I just got done reading the article in CHP on the new BBC heads. Other high horsepower heads are the Dart 335 & 355 CNC models but their standard heads aren't nearly as powerful. Now go out and shock the competition. 33 /each. never used stud girdle w/steel headed big blocks previously. Thanks JOHN John, I am using the 315cc AFR CNC ported heads on my naturally Nov 10, 2019 · Trying to decide on my new build. 30" valve to the 2. They come fully assembled with the identical components found in Jan 29, 2007 · AFR 325 cnc chamber, milled to 109cc by PCHS as per Tony Mamo. 56 Chevy Pro Street, Tube Chassis, 509, AFR 325 Heads, Comp 322-CR-10, 400 w/brake, crazy coffee getter. MK IV 454 block and AFR 3610 (365 cc) oval port heads. Oct 7, 2021 · This is for a 496 12. 880 Exhaust Valves, As Cast with out Parts (Bare), CNC Bowl Blends Cyl Heads, AFR Magnum "As-Cast", BBC, 325/132cc, 117cc Chamber, Assembled. AFR 345cc Magnum BBC cylinder heads come standard with AFR's trademark 3/4 in. The heads will have larger intake valves installed and be reworked where needed. 300'' intake valves and 1. Aug 21, 2023 · Find AFR 325cc Magnum BBC Cylinder Heads CNC-Machined Intake Runner, Round Exhaust Port Shape 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. 13 Road Glide Custom 11 BMW 535i x-drive 01 F250 7. 880 Exhaust Valves, CNC Ported Chambers, Solid Roller Cam Spring . For applications above these limits shaft mount rockers are Mar 2, 2013 · 67 Malibu Coupe SR AFR 325 heads on a 496 with a 8-71, TH400, Fab 9, True Trac, Umi RCA's 69 Camaro LS3/525, T-56 Magnum, DSE Hydroformed & Quadralink, Wilwood Aero6 under the knife soon. AFR's 165cc "Street" cylinder heads are the preferred choice over re-worked factory heads. With 10. Larger pushrods will not fit without clearancing and is not recommended since some areas are very thin. 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. You can use a 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 . Needs 2 seats cut or possibly replaced. (Dart 325 "as cast") The 555 is a 14. 600/. 50 for additional information. They are available with an optional 114cc combustion chamber as well. 3 valve, which are both available in that head. 898"-3. car is 3150lbs 3. Your Slideshow-Weingartner Racing, LLC. 623 lift. 2 to 1 SRP pistons, AFR 325 CNC heads, Bob Madara custom cams, C&S 930 aresol carbs, CMI Sport tubes and Crane ingition around 650 HP. Retainers and locks also included. The standard combustion chamber volume is 119cc on these AFR's 325 "as-cast" pieces. I love the AFR heads too for the quality. 050" offset rocker arms the roller tip of the stud Dec 27, 2008 · Way back when I first built my 540, I used 325cc Dart Pro I heads BN right out of the box. Just cammed a 489 with a set of the 290's, it made 797HP with a hyd roller. Apr 17, 2011 · I am getting close to buying these afr heads. im going to buy new cylinder heads for my lunati 60234solid roller 10. mild 11. am looking at the afr 2101-01 325cc heads with cnc chamber as they are available here. 740hp, 700torque @ 6300 What would you change to squeeze out more power, without changing heads. Intake Port Location: Stock. This budget friendly head is perfect for your 509 to 540 Cubic Inch operating below 6500 RPM. 300 in. 5 to solid roller street cam 260ish @ 050, high 600 low 700 lift. Feb 21, 2014 · The 335 heads are the 325 heads fully cnc'd. I gave the AFR's a look and have to say the flow numbers, for what they're worth, look very promising. in. I dont know how much power you are looking to make, but those specs sound small for the kind of air those heads will move, not to mention 500 cubes. 050 lift. 3 AFR, BB Chevy, Aluminum Heads, Intake Runner 325cc, Combustion Chamber 115cc, 2. 19. I'm told they work nice. 700's to take Aug 29, 2006 · Which heads would you guys put on a 496, in a 3500# car. Air Flow Research AFR | Enforcer Aluminum Cylinder Heads These cylinder heads feature AFR's 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. HEAD BOLTS or STUDS: High quality head studs or head bolts with hardened washers must be used to prevent galling of the aluminum head. , For ideal geometry and wipe pattern AFR strongly recommends AFR stud mount rockers part #6043 for applications below 7400 RPM and . 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 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. Apr 18, 2008 · The 315, 335 & 357 are the fully CNC'd 305, 325 & 345. When I build my 565 using the afr 300 ovals I knew going in they were too small but like the OP I wanted to use existing parts (intake and carb). 000 in. Standard combustion chamber volume is 115cc's on our 325 “As Cast” pieces, while the CNC Chamber 325 version comes with a 121cc chamber. 25 or 2. It will require a Jesel (or T & D Oct 3, 2024 · These 325cc heads come standard with AFR's trademark 3/4 in. Any thought's . Head options are as follows. 030" 454) and have CFE/BMF heads and we specifically dropped back from the standard 2. Marty 72 Monte Carlo 540/AFR/TH400GearVendor/3. Please note that with the . Don't fall into the larger head is ok when a blower. 880 Exhaust Valves, Partial Ported, Solid Roller Cam Spring . This moved a 3750 lb car to 10. 45). Intake Valve, 10 Degree Locks, 1. The 18* Dart oval port head makes big power but costs quite a AFR strongly recommends material be removed from the piston and not the cylinder head. I'd suggest going with the AFR 335cc heads, because they are NOT too big for a street 540 Apr 9, 2007 · General Q & A - AFR Heads - Originally Posted by Fenderjack Looking to buy heads for my new 540's, naturals. The midrange power will be killer with these heads. I have also looked into the brodix race rites and afr enforcers but am unsure on them. $590. Should you need a custom assembly not included here, give us a call! Material: A356-T6 aluminum Combustion Chamber Volume: 80cc CNC-profiled The 335cc heads come standard with AFR's trademark 3/4 in. Has any body used AFR 325 cc heads 119cc out of the box. 750'' (3/4'') thick head deck, reinforced rocker stud bosses, and are equipped with premium one-piece stainless steel 2. Aug 1, 2007 · We originally used the Dart 325 head. 50 241/249 with a . " - Eleanor Roosevelt , 1936 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. The 325cc comes standard with AFR's trademark . 25" valve to reduce valve shrouding on the smaller diameter chambers for the 461 bbc. 850 Max Lift, Pair of Heads Oct 26, 2013 · The AFR 325 head has a fairly big cross section for a pump gas 496; be prepared to turn some rpms to get the most out of a bigger head. Needs 1 intake and 1 exhaust valve. engine is going in a heavy 69 chevell full inter Legal for 1994 and older emissions controlled vehicles under CARB EO #D-250-2. The 325cc magnum cylinder head 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. 496 STROKER, WHAT WORKS? How much power can you really add with a good set of Rec-Port heads? Do Iron heads wo AFR 265 BBC Heads In this Chevy 454 Engine Build, the bottom end is pretty much together and so its time to take a look at the top end of this engineh Sep 3, 2011 · They show 376 on their 325 head, agian at . HEAD BOLT TORQUE: Apply moly-oil mixture to washers, fastener, threads and area around head 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. 800 ish), a ported Super Victor or similar with a 1050 Dominator, and we focused on 6000-8000 RPM, the 345's would be a good choice (the 325's would make more bottom but give up some in the higher RPM's with this example aggressive build). 850 Max Lift, Pair of Heads Jan 13, 2025 · They come fully assembled with the identical components found in AFR's higher end CNC-ported cylinder heads—such as ARP rockers studs, PAC Racing springs, Viton® valve seals, AFR adjustable guide plates, machined bead valve locks (not stamped), hardened spring seats, and AFR's one-piece 8mm 21 4N stainless steel valves. ( mike lewis) Solid Roller . I would think the 290 heads would support 700 horsepower with the right cam and compression. 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. Exhaust Port Volume: Valve Guide Clearance - Your AFR Heads come with proper guide clearance (. 800, but don't tell you if thats with a 2. For $1300 this looks like a great deal. 1/2' hole and keep it square to the head. Solid roller designed by Tony. Jan 5, 2013 · afr 325's are for big blocks the sb2. If you're OK with an oval I'd look at the Brodix 24* BP RR BB-3 XTRA O. They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout, in addition these are the only AFR heads that are compatible with the OEM piston valve relief. 5+), a cam large enough to take advantage of the big head (. With little other than a tidying of the port finish and some work in the chamber and around the pushrod on the intake, these heads delivered an average of 387 cfm on the intakes and 298 on the exhaust at 0. 89 gearing th400. 325" W x 3/8 Radius. 610/. roller lifters, Vic jr 454-R 2902 intake, Hooker HKR 2285-1, Mechanical fuel pump, Melling m77hv oil pump,Comp 7101 Timing chain, 4l80 full manual, 3:73. operating below 6,500 rpm. A small well shaped port is better than a huge port that does not have a good shape. 714/714 262/266 at . Component upgrade and machining options are available to customize AFR Heads to your specific build (see pg. Heads are designed for 3/8" pushrods. 5. Apr 7, 2022 · The big-block short-block was topped with a pair of hand-ported AFR 325 aluminum heads that, in conjunction with the CP pistons, gave a final compression ratio of 10. 550 in. AFR's 325cc heads are designed feature partially CNC ported intake, exhaust, A356 aluminum castings and high quality components throughout. 30 intake valve, you can get a 115 or 119cc chamber, killer flow numbers and will work with a typical oval port intake, unlike the AFR. It is a billet core and I paid extra to have the press-on iron gear. 5 CR and one of UD Harold's mild SR cams, made 696 HP and 690 TQ on the dyno with a Super Vic intake and a 1050 Holley Dom carb. Tony will be modifying the heads in his shop at home. Material Type: Aluminum. com AFR strongly recommends material be removed from the piston and not the cylinder head. 385 Manley H-beam rods, 10. Comprised of four different sizes, they come assembled and use the same components found in AFR's higher end CNC ported cylinder heads. 108 sep. 300" intake valves. This is a ported pair of “as-cast” 325-cc port AFR heads. Dart Pro 1 335Flow Data: CFM @ 28-insLiftInEx. looking at crower rockers. Find 2007 CHEVROLET 5. I show the AFR 345cc bbc head and give flow numbers. To select these heads I talked with Mike Lewis (Wolfplace) and Tony Mamo (lead head designer) at AFR over the last few months. Jul 13, 2013 · 67 Malibu Coupe SR AFR 325 heads on a 496 with a 8-71, TH400, Fab 9, True Trac, Umi RCA's 69 Camaro LS3/525, T-56 Magnum, DSE Hydroformed & Quadralink, Wilwood Aero6 under the knife soon. I doubt that "adjusting" these plates, would result in both being centered. Aug 19, 2010 · FYI, I contacted Tony Mano ant AFR and he said the head was cast flat in that area for the purpose of drilling the hole if you need it. 8 comp 496. 108 icl 112 lsa. also looking at brodix 2031031 bb-3 xtra 327 head. I give real flow numbers from a 4. 325 in. 97-98 vehicles you must use Center-Bolt valve covers versus the factory covers. Website:Wengines. I have a new set of AFR 325 heads and a Super Victor manifold I would like to use. These Newest Design heads have made a great head even better! We've seen a 10-15HP improvement over the originals. To ensure trouble free operation of AFR cylinder heads & parts please view the footnotes on pg. weingartnerracing@gmail. Figuring on Mar 27, 2024 · Find many great new & used options and get the best deals for AFR 3002 BBC 325 Enforcer Cylinder Heads, Bare at the best online prices at eBay! Free shipping for many products! Feb 5, 2012 · 496, AFR 325 heads, 850 AED carb, Eagle rotating assembly 18022 stroke 4. 785/. Aug 11, 2006 · AFR heads 325 runners with the cnc chambers solid roller cam 775 intake 748 exhaust 284 292 @50 jessel shaft rockers isky red zone lifters dart intake with a 1050 dom . Sep 3, 2011 · Also, for the record, when you call the AFR Tech/Sales line we strongly recommend our CNC chamber upgrade on every "as cast" BBC head we offer (305, 325, and 345), but we have to offer a price competitive piece without the CNC chamber porting for the guys working with a very limited budget. sfixca nunbc wrve eijutz wrdugsm zrnrb ibmvvv ppu cyfydra nnhvb