Edelbrock Performer RPM Pontiac Cylinder Head - Chamber Size: 72cc SC021 This pan requires our 18-361

This pan requires our 18-361 pickup

Steel Alloy Pump Drive Tube

the new LoadLifter 7500 XL kit from Air Lift Company will make towing and hauling with your GM 2500HD/3500 pickup a comfortable and stress-free experience

idle speed

Edelbrock Performer RPM Pontiac Cylinder Head - Chamber Size: 72cc SC021 This pan requires our 18-361Cylinder 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