Big Block Chevy Magnum Aluminum Cylinder Heads

Promising big horsepower, Magnum 24 heads are available with 305cc, 315cc, 325cc, 335cc, 345cc, 357cc, and 385cc intake runners. The 305cc, 315cc, and 325cc heads are recommended for 396-509 cu. in. street/strip engines; larger 345cc, 357cc, and 385cc are ideal for 509-632 cu. in. bracket or Super class use. The 335cc, 357cc, and 385cc heads listed have high flow, CNC-ported runners. All heads are sold in pairs, completely assembled with stainless valves, valve springs, retainers, locks, and seals.

• As-Cast Assembled

Cylinder Head – Magnum Comp – Assembled – 2.300 / 1.880 in Valves – 345 cc Intake – 117 cc Chamber – 1.625 in Springs – Aluminum – Big Block Chevy – Sold as a Pair – Brand: Air Flow Research – Part Number: 2110