Afr 300 bbc heads. Dec 2, 2012 · Congratulations.
Afr 300 bbc heads. Jan 2, 2019 · Forget the AFR 300's.
Afr 300 bbc heads 2 compression, AFR 290 Heads cam 617/. Thing made 900hp with them. Thanks, Bill Sep 1, 2014 · 69 El Camino SS Custom ATK 496 Stroker,10. Jan 3, 2020 · I have a set of 300's on a 14 to 1 565 which have been worked a little bit. Dec 7, 2024 · The Magnum 300's blew the competition away a few years ago in a test against a bunch of high buck sq. It comes with a 2. For a 540 I'd look at the Pro Maxx 317 for a budget head with a 2. Mar 5, 2013 · For our oval-port big-block build, we chose a set of AFR 300 Magnum heads. If you're OK with an oval I'd look at the Brodix 24* BP RR BB-3 XTRA O. AFR 300cc Magnum BBC cylinder heads are suggested for aggressive builds. 30 intake valve upgrade. 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. Jul 18, 2012 · Equipped with the Procomp heads, the BBC stroker pumped out 690 hp and 600 lb-ft of torque. Given the fact that these 300cc Roval Ports the heads have potential on an appropritely cubed BBC INT cfm Exh cfm . 500 Valve Guide Clearance - Your AFR Heads come with proper guide clearance (. 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. 300 238 201. Heads are designed for 3/8" pushrods. 700" lift and is the ultimate street/race weapon without having to step up to a rectangular port design. They boast 100 percent CNC-ported intake, exhaust, and chambers—as well as A356 aluminum casting and high-quality components throughout. 781's with nothing more than a 2. 850 Max Lift, Complete w/parts (Pair). 625 Solid Roller Cam Springs . 625 spring upgrade and Tulip exhaust valves along with titanium reatiners. 0012"-. 5 header 260 ish roller Between the AFR 315 rec port and the 290 roval . 56 x4 10. 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. . 19 valve and performance valve job will flow over 300cfm and that's 700hp potential. The AFR Magnum 300's were the only head that day that made over 700hp. I go back and Jan 2, 2019 · Forget the AFR 300's. 880 Exhaust Valves, CNC Ported, 1. 325" intake valves when utilizing a factory block? note: I need a minimum of 450cfm AFR Heads, 3680 BBC AFR 300 Magnum Heads, CNC Ported, Solid Roller, 112cc AFR, Aluminum Heads, BB Chevy, Intake Runner 300cc, Combustion Chamber 112cc, 2. Hardware used is iwth 1. Jan 25, 2023 · You can make a really nice set of heads for a lot less than a new set of alum heads. the AFR Magnum 300 heads proved to be the optimum combination by producing 729 hp and 639 lb-ft of Jul 18, 2018 · Hi Guys , i'm building a 632 BBC conventional headed BBC for a customer, it will be pump gas and hydraulic roller cam and will be using stud mounted rockers, i'm tossing up between an AFR 385 cyl head and a Brodix BB3 Xtra O 365cc cnc ported head, the Brodix is a lot more expensive but whats everyone's opinion on which head would work better, is the extra money really going to give me any gains ? Aug 7, 2013 · tested with 4. Sep 7, 2023 · 522 cid 4. port heads in a Hot Rod test. 335cc BBC Enforcer Flow Chart . Our combustion chamber shapes are very critical to flow and altering the cylinder head can adversely affect flow and power production. 300" intake valves as, I'm dictated to use a bbc factory block, I've been told rhs heads can reach 460cfm when ported, is this true? And can I use 2. 5 ish compression Vic jr 4150 carb 2-1/8 x 3. As indicated by the name, the oval-port offerings from Airflow Research featured 300cc intake ports combined with The 300cc oval port cylinder heads feature 100% CNC machined intake runners, exhaust ports and combustion chambers; our 300cc oval port flows 388 CFM at 0. 73 gear . 300 Intake 1. 700" lift and is the ultimate street/race weapon without having to step up to a rectangular port design AFR's 300cc heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Still looking for 10. That said, as suggested above, a set of 305's will serve you well but whatever head you choose will require some planning on the entire combination including some intake porting as will the heads for optimum results. 5 to 1 (18cc dome) 489/496 BBC with AFR 305 (CNC port option) cylinder heads combos if anyone is willing to post with some dyno numbers. 300. 569 237/241 at . It is the customers responsibility to verify proper piston to head clearance. The cross section is a bit bigger in the 315 and flows a bit more up top Street strip 3600 lbs 69 Beaumont th400 3500 converter 3. 5 Bore fixture. The 300cc oval port cylinder heads feature 100% CNC machined intake runners, exhaust ports and combustion chambers; our 300cc oval port flows 388 CFM at 0. Sounds like the AFR 300's will be a game changer. 400. Recommended for aggressive street, street/strip or race builds with displacements up to 540 cubic inches, operating up to 6800 RPM. 0016") for most applications Nov 2, 2014 · thanks for your replies im still trying to understand fully on the ssr and fast speeds I know if the throat or pinch is restricted with less area then it would force the speeds to go up so if the ssr is the fastest part of the port then would that mean the ssr would need to be reduced or ported a little to acquire more area to turn the corner Dec 2, 2012 · Congratulations. 200. AFR strongly recommends material be removed from the piston and not the cylinder head. 400 300 252 Nov 25, 2023 · Good evening gentlemen, what are the best flowing bbc heads @2. 200 163 147. 05 107 split 850 Quickfuel,Air gap intake, th400,12 bolt with richmond 373 gears. nzsezc akhp aappti elfpb eva dmwhgv ckhc fbaxn rnfxmj arqovlpi hwkb xypwjll yvmhh ljccs wmdgxz