Description
Cylinder Head Specifications: Combustion chamber volume: 75cc / 95cc; Intake runner volume: 292cc; Exhaust runner volume: 100cc ;Intake valve diameter: 2.19″; Exhaust valve diameter: 1.76″; Valve stem diameter: 11/32″; Valve guides: Manganese bronze; Deck thickness: 5/8″; Valve spring diameter: 1.55″; Valve spring maximum lift: .700″; Rocker stud: 7/16″; Guideplate: Hardended steel; Pushrod diameter: 3/8″; Valve angle: TBD; Exhaust port location: Stock; Spark plug fitment: 14mm x 3/4 reach, gasket seat. * Performer RPM 460 heads accept factory exhaust, aftermarket headers and factory valvetrain components. Requires the use of 3/8″ diameter pushrods. Match with Edelbrock head gasket sets. Bare heads will have valve guides and seats installed, but will require final sizing and a valve job to match the valves you will be using. Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4″ reach with flat gasket seat. Deck thickness: 5/8″, rocker stud diameter: 7/16″, pushrod diameter: 3/8″ (width of slot in guide plate).
Installation Instructions
Installation Instructions
Warranty
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