AFR Enforcer BBC Cylinder Head 335cc Street Heads; Assembled

AFR's 335cc BBC Enforcer Cylinder heads feature our Permanent Mold ?As-Cast? Technology surfaces on the intake runners, exhaust runners and combustion chambers that allows for extremely accurate and repeatable port location/performance. This budget friendly head is perfect for your 509 to 540 Cubic Inch operating below 6500 RPM. They come fully assembled with the identical components found in our higher end CNC ported cylinder heads; such as ARP rockers studs, PAC Racing springs, viton valve seals, AFR guide plates, machined bead valve locks (not stamped), hardened spring seats and our one piece 8mm 21 4N Stainless Steel valves. They are available without any parts for the DIY. Sold as a single piece, 2 are required per engine. Please see footnotes for additional information.

• 1966-69 427 cid
• 1966-70 396 cid
• 1970-72 402 cid
• 1970-00 454 cid

Note: Vehicle applications listed below are models that came from the factory with Mark IV-VI Chevrolet Big-Blocks. These components will fit any vehicle with a 1966-00 Big-Block Chevy.

• Important: This product is illegal to operate on any public highway. This means any public paved or unpaved roadway or in a public park. Only legal if used on a dedicated racing vehicle.