Air Flow Research (AFR) is an American based high-performance cylinder head & intake manifold manufacturer founded in 1970 by Norm McDonald. The company produces various performance products, including cylinder heads, valve train components, intake manifolds, and complete engine packages for racing and street use.
Founded in 1970 by Norm McDonald
Developed their first aluminum cylinder head in 1975
In 2002, AFR moved to a larger facility in Valencia, California
In 2018, the company was acquired by Turn 14 Distribution
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AFR produces various cylinder heads for Chevy, Ford, and Mopar engines, utilizing different technologies, including conventional port, LS conventional port, and LS hi-flow port.
AFR produces various intake manifolds for Chevy, Ford, and Mopar engines, utilizing different technologies, including single plane, dual plane, and tunnel ram.
AFR produces various valve train components, including rocker arms, pushrods, and lifters.
AFR cylinder heads offer better airflow, greater horsepower, and improved throttle response than stock cylinder heads due to their CNC machined ports, state-of-the-art valvetrain components, and superior aluminum alloys.
Yes, AFR products are designed for both racing and street use and comply with emissions regulations in most states.
AFR offers a limited lifetime warranty on its cylinder heads and a one-year limited warranty on its intake manifolds and other products.
AFR products are designed to be compatible with OEM components, which makes installation relatively easy for a qualified mechanic or engine builder.
AFR products require the same maintenance as any other performance engine component, including regular inspection for wear and tear, cleaning and servicing as necessary, and adjusting valve lash periodically.