afr cylinder head, 24 bbc 385cc fully cnc ported, 121cc chambers, competition package, assembled, pair

The 385cc heads are AFR’s largest and best fl owing BBC heads! They feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers, and high quality components throughout. These heads are best suited for large displacement (540+) high RPM Big Block Chevrolet racing engines. AFR heads are available bare (without parts), call our tech line for details. Please see footnotes for additional information.