The Edelbrock #60555 Performer RPM Rectangle Port cylinder head is designed for Big-Block Chevy applications. The Edelbrock #60555 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants per Product Features:Complete Single For Hydraulic Roller118cc Combustion Chamber Volume315cc Intake/110cc Exhaust Runner Volume2.19 in. Intake/1.88 in. Exhaust Valve Diameter0.562 in. Deck Thickness
