Goodson Shop Supplies. Magnetic Powder - 1 lb. For use with MAGNAFLUX. Select Flex-Hone Diameter: 4.625' (117.5mm). 3/8' Pilot for Stud Boss Facer. V8 Chevy Tap Guide. Rocker Arm Stud Conversion Kit. These modifications will increase airflow up to.500'.550' lift. To gain flow above that point, the entire port will need to be reworked (which will in turn help the low and mid-lift flow number too. Note the flow on our fully CNC ported heads). Some heads do not respond to our C.N.C. Machined chambers so. How To A Install Performance Porting Template Kit. Using Mp Porting Templates To Get The Most Out Of Magnum Heads. Super Chevy; Mustang 360; Super. It's not that difficult to port/polish cyl heads and even GM has a book out that shows were to grind/remove material also were to polish. I'm looking right now at a chevrolet power service manual circa 1988 and it has all the templates to properly port/polish any sbc or bbc cyl head. I've done my own cyl heads.

AFR's 210cc 'Race Ready' and 'Competition' heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. Recommended for race applications and aggressive street/ strip builds up to 400 cubic inches, operating up to 6500- 6800 RPM. Not Emissions Complient Installation Instructions Footnotes • AFR Small Block Chevy • We strongly recommend using 7/16' rocker studs with todays fast cam rates and RPM capabilities as 3/8' Rocker Studs can occasionally break. • Heads with 1.625' O.D springs will require some springs to be removed for access to some head bolts when installing the heads. • Heads are designed for 5/16' pushrods, Larger pushrods will not fit without clearancing and is not recommended since some areas are very thin. AFR recommends the use of. Rslogix 5000 V20 Crack. Hawkeye Loft Management System Crack. Pdf Zentangle Patterns Free. 120' thick-wall pushrods. • 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.050' offset intake stud mount rocker with the AFR supplied guide plate (exhaust will use a standard rocker).

Please note that with the.050' offset rocker arms the roller tip of the stud mount rocker will not be perfectly centered and will not sit squarely on the valve causing increased side loading and wear. This option is not recommended for race/endurance applications and/or street engines that see a lot of miles. • AFR LT-1 / LT-4 / Vortec Heads - Your factory accessory bolts and center bolt valve covers need to be shortened 3/16' or they will bottom out.

• 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. • Pushrods - Different length pushrods might be required, always check pushrod length.