Cylinder Heads, E Street, Chevrolet, Edelbrock [R]

Cylinder head specifications: combustion chamber volume: 70 cc / 64 cc, intake runner volume: 185 cc, exhaust runner volume: 60 cc, intake valve diameter: 2.02 in., exhaust valve diameter: 1.60 in., valve stem diameter: 11/32 in., valve guides: manganese bronze, deck thickness: 9/16 in., valve spring diameter: 1.460 in., valve spring maximum lift: .550 in., rocker stud: 3/8 in. w/ guide plate, guideplate: hardended steel, pushrod diameter: 5/16 in., valve angle: 23 Deg., exhaust port location: stock, spark plug fitment: 14 mmx 3/4 reach, gasket seat -use w/ hydraulic flat tappet camshafts .550 in. max lift. (not compatible w/ hydraulic roller camshafts) recommended spark plugs are champion rc12yc or equivalent 14 mmx 3/4 in. reach w/ flat gasket seat. Requires hardened pushrods. Not legal for sale or use on pollution controlled motor vehicles.