Edelbrock SBC NHRA Legal Cylinder Heads 64cc A/P Bare 84301A 6009Since 1938

6009Since 1938

900 in Bore

Padding: The shoulder and collarbone padding provide added comfort to the unit

2 gpm Flow

1975-1984 Chevrolet P20

Edelbrock SBC NHRA Legal Cylinder Heads 64cc A/P Bare 84301A 6009Since 1938Cylinder Head Specifications: Combustion chamber volume: 65cc 70cc; Intake runner volume: 185cc & 195cc; Exhaust runner volume: 65cc; Intake valve diameter: 2. 02"; Exhaust valve diameter: 1. 60"; Valve stem diameter: 11 32"; Valve guides: Manganese Bronze; Deck thickness: 9 16"; Valve spring diameter: 1. 46"; Valve spring maximum lift: . 575"; Rocker stud: 3 8"; Guideplate: Hardened steel; Pushrod diameter: 5 16"; Valve angle: 23 ; Exhaust port