Edelbrock Pontiac Performer D-Port Head - 72cc - Assembled 542 5 x 7 in Oval

5 x 7 in Oval

Stock Gauges

560 in Shank Diameter

195cc intake port LT4 small block Chevy aluminum cylinder heads are available in an LT4 angle plug version

Edelbrock Pontiac Performer D-Port Head - 72cc - Assembled 542 5 x 7 in OvalCylinder 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