E-Street Cylinder Heads 1986-Down SB Chevy 70cc - Satin
E-Street cylinder heads are designed for use with 1955-1986 Small-Block Chevy applications. E-Street cylinder heads feature as-cast ports and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range. The modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through your engine for improve efficiency. For use on pre-pollution controlled vehicles only. INSTALLATION NOTES: bull; Designed for use with hydraulic flat tappet camshafts only, not compatible with hydraulic roller camshafts bull; Use with Hydraulic Flat Tappet Camshafts .550" max lift. (NOT Compatible with Hydraulic Roller Camshafts) bull; Recommended spark plugs are Champion RC12YC or equivalent 14mm x 3/4" reach with flat gasket seat. bull; Requires hardened push rods. Not legal for sale or use on pollution controlled motor vehicles. bull; All E-Street Cylinder Heads are sold in pairs.
