Edelbrock 60599: Performer RPM Cylinder Head for Pontiac V8
Pontiac Performer RPM Aluminum Cylinder Heads
Pontiac Performer RPM Cylinder Head 1962-1979 Pontiac 389-455ci Valve Springs for Hydraulic Flat Tappet Round Exhaust Port (Ram Air) Port Volume: 215cc/175cc Valve Size: 2.11"/1.66" 72cc Combustion Chambers Assembled, Sold Each