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The Edelbrock Performer cylinder head for 302-400 cid small-block Chevy engines (up to 1986) features 70cc combustion chambers and high-flow intake and exhaust ports to boost mid-range torque. As a complete head it includes larger-than-stock valve springs to handle higher lift cams, retains the stock intake port location for manifold compatibility, and is machined for 50-state emissions compliance.
Edelbrock Single Perf SBC 70cc Head Comp
