EDELBROCK

Cylinder head specifications: combustion chamber volume: 60 cc / 70 cc, intake runner volume: 210 cc, intake runner volume: 210 cc, exhaust runner volume: 75 cc, intake valve diameter: 2.05 in., intake valve diameter: 2.05 in., exhaust valve diameter: 1.60 in., valve stem diameter: 11/32 in., valve guides: manganese bronze, deck thickness: 5/8 in., valve spring diameter: 1.55, valve spring maximum lift: .650 in. flat, .670 in. roller (a), rocker stud: 7/16 in., guideplate: hardended steel, pushrod diameter: 5/16 in., valve angle: 20 Deg., exhaust port location: raised .130 in., spark plug fitment: 14 mmx 3/4 reach, gasket seat. Installation note: check cam manufacturer's specs for compatibility w/ valve springs. Recommended valve sizes listed. Match w/ Edelbrock head gasket sets. Use head bolt kits for easy installation. These heads require the use of a 14 mmx 3/4 in. reach, flat gasket spark plug w/ a heat range appropriate to your application. Deck thickness: 5/8 in., rocker stud diameter: 7/16 in., pushrod diameter: 5/16 in. (width of slot in guide plate).