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E-Street cylinder heads are an all new line of Edelbrock heads designed for entry level (300hp to 400hp) street performance engines operating in the idle to 5,500 rpm range. Manufactured in the USA, these heads feature the quality and details of higher priced cylinder heads, starting with A356 aluminum castings that are heat treated to T-6 spec for superior casting strength and quality. Their modern combustion chamber designs improve the combustion process and larger than stock intake and exhaust ports move more air through an engine; these features improve efficiency, resulting in more horsepower, broad torque and improved mileage potential. Every E-Street is assembled with manganese bronze valve guides, powder metal interlocking valve seats, stainless steel one-piece valves with hardened tips, 1.25″ diameter valve springs, 3/8″ screw-in studs and hardened guide plates. As added value, E-Street heads include hardened valve springs cups to prevent casting wear and Heli-coil™ threaded inserts in the rocker stud bosses for proper torque; these are the quality details that most low-cost competitors leave out of their heads. Applications include small-block Chevy with 185cc intake runners and optional 70cc or 64cc combustion chambers, and small-block Ford with 170cc intake runners and optional 1.90″ or 2.02″ diameter intake valves. All E-Street cylinder heads are sold in pairs and Made in the USA.
Applications and Retail Pricing:
- Small-Block Chevy with straight plugs: #5089 (64cc), #5073 (70cc) / $949.95 pair
- Small-Block Ford: #5023 (1.90″ intake valves), #5025 (2.02″ intake valves) / $973.95 pair
Tags: Aluminum heads, CYLINDER HEADS, E-Street cylinder heads, EDELBROCK
