The Edelbrock #60547 Performer RPM Bare NHRA Stock/Super Stock Rectangle Port cylinder head is designed for Big-Block Chevy applications. This cylinder head delivers great throttle response and power from 1500 to 6500 rpm. Cast and heat treated at the Ede Product Features:Bare Single For NHRA Super Stock118cc Combustion Chamber Volume315cc Intake/110cc Exhaust Runner VolumeRectangle Intake Port Style0.562 in. Deck Thickness
