Edelbrock Pontiac Performer D-Port Head - 72cc - Assembled H75903FXXL The larger opening allows throttle

The larger opening allows throttle linkage to be routed from underneath to help prevent clearance or interference issues

Made of 6061-T6 aluminum this spring-loaded stud girdle set for 7/16" stud Chevrolet 265-400 Small Block w/ Brodix Pontiac 40/60 heads ties rocker studs together to properly locate them

This is just another reason BMR's on-car adjustable toe rods are the perfect upgrade for the enthusiast looking to improve performance at an affordable price

Head works with pistol-grip and other heated sipers that accept a

Edelbrock Pontiac Performer D-Port Head - 72cc - Assembled H75903FXXL The larger opening allows throttleCylinder Head Specifications: Combustion chamber volume: (A) 65cc 72cc 87cc; Intake runner volume: 204cc; Exhaust runner volume: 145cc; Intake valve diameter: 2. 11"; Valve stem diameter: 11 32"; Exhaust valve diameter: 1. 66"; Valve guides: Manganese bronze; Deck thickness: 5 8"; Valve spring diameter: 1. 46"; 120lbs. @ 1. 800" Inst. Height; Valve spring maximum lift: . 550"; 1. 150" Coil Bind; Rocker stud: 7 16"; Guideplate: Hardened steel; Pushrod