Edelbrock Performer RPM Pontiac Cylinder Head - Chamber Size: 72cc 2070066 Honeycomb pattern allows pad to

Honeycomb pattern allows pad to remain firm enough to maintain car-feel but enough give for comfort

reinforced base with low friction rollers

Electric Heat Seal

Eagle featherweight forged 4340 steel cranks feature a non-twist forging

Edelbrock Performer RPM Pontiac Cylinder Head - Chamber Size: 72cc 2070066 Honeycomb pattern allows pad toCylinder Head Specifications:; Combustion chamber volume: 87cc; Intake runner volume: 215cc; Exhaust runner volume: 175cc; Intake valve diameter: 2. 11"; Exhaust valve diameter: 1. 66"; Valve stem diameter: 11 32"; Valve guides: Manganese bronze; Deck thickness: 5 8"; Valve spring diameter: 1. 46"; Valve spring maximum lift: . 575"; Rocker stud: 7 16"; Guideplate: Hardened steel; Pushrod diameter: 5 16"; Valve angle: 14 ; Exhaust port location: Stock