Cylinder Heads, Edelbrock, Performer RPM, BB Chevy, 454-R, Rectangle Port

This Edelbrock Performer RPM Rectangle Port cylinder head is designed for Big-Block Chevy applications. It's perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. This cylinder head delivers great throttle response and power from 2500 to 7000 rpm. They also feature the highest quality intake and exhaust valves and valve springs and specially designed intake and exhaust ports for increased flow and velocity. These heads come equipped with springs for use in flat tappet or hydraulic roller camshaft applications, your choice.

Chamber Volume 118cc Deck Thickness 9/16" Valve Spring Dia. 1.55" Rocker Stud Dia. 7/16" Pushrod Dia. 3/8" Max. Valve Lift .700" Bolt Torque 70-ft./lb. Intake Port Vol. 290cc Exhaust Port Vol. 110cc