Edelbrock 60579: Performer Cylinder Head for Pontiac V8
Pontiac Performer Aluminum Cylinder Heads
Performer Cylinder Head 1962-1979 Pontiac 389-455ci Valve Springs for Hydraulic Flat Tappet Valve Size: 2.11"/1.66" Port Volume: 215cc/175cc 87cc Combustion Chambers 7/16" Rocker Studs Assembled, Sold Each