The Edelbrock #60575 Performer cylinder head is designed for outstanding performance gains in 1962-79 389-455 c.i.d. Pontiac engines. The Edelbrock #60575 Performer cylinder head is 50-state emissions legal for 1965-79 vehicles. They feature 87cc combusti
Product Features:- Complete Single For Hydraulic Roller
- 87cc Combustion Chamber Volume
- 215cc Intake/175cc Exhaust Runner Volume
- 2.11 in. Intake/1.66 in. Exhaust Valve Diameter
- 0.625 in. Deck Thickness