Head Bolt Washer Kit for ARP head bolts.

OVER 50 YEARS OF ADVANCED CYLINDER HEAD MANUFACTURING! From Dec 7-9th we will be in Indianapolis showcasing new products. Come stop by booth 1135 for all your high …

AFR's 220cc "Race Ready" and "Competition" heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high quality components throughout. This is AFR's …

JEGS has all the top AFR heads and performance parts you could need. JEGS offers everything from AFR valve stems to valve seats and even supplies AFR engine assembly lube. With …

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Air Flow Research's cylinder heads outflow and out horsepower everything in their league. Our friendly customer support staff is standing by and ready to help you. Whether its a product, …

Air Flow Research (AFR) is a leading manufacturer of high-performance cylinder heads, renowned for their exceptional airflow and power gains. Specializing in aftermarket heads for a …

AFR's 220cc "Competition" aluminum cylinder heads feature 100% CNC ported intake, exhaust & chambers with greater detail and higher flow. Air flow Research uses A356 aluminum castings …

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 …

AFR's 165cc "Street" cylinder heads are the preferred choice over re-worked factory heads. They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings and high …