Edelbrock Performer RPM Cylinder Head - Chamber Size: 70cc 111008 600 X 570 X 840The

600 X 570 X 840The COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

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Edelbrock Performer RPM Cylinder Head - Chamber Size: 70cc 111008 600 X 570 X 840TheCylinder 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