Cylinder Heads E-Street, Aluminum, Assembled, 70cc Chamber, 185cc Intake Runner, Chevy, 302/327/350/400, Pair

Designed for use with hydraulic camshafts less than .550 in. lift. Requires use of hardened pushrods.

This all-new Edelbrock E-Street cylinder head is just right for the street performance crowd. Manufactured in the USA by Edelbrock, this E-Street cylinder head features A356 aluminum castings that are heat-treated to T-6 specs for superior casting strength and quality. The modern combustion chamber design helps to improve the combustion process and their larger-than-stock intake and exhaust ports help to move more air through your engine. These features improve an engine's efficiency, resulting in more horsepower and torque and improved mileage potential.

This E-Street cylinder head has been assembled with manganese bronze valve guides, powder metal interlocking valve seats, stainless steel one-piece valves with hardened tips, damper springs, 3/8 in. screw-in studs, and guideplates. Is ideal for street performance engines (300 hp to 400 hp)operating in the idle to 5,500 rpm range.