Edelbrock E-Street Cylinder Heads

Product images may differ from actual product appearance.

E-Street cylinder heads are 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-coilâ„¢ 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. All E-Street cylinder heads are sold in pairs and Made in the USA.

5025 - Edelbrock E-Street Cylinder Heads Details

Small-Block Ford

Specifications:

Technical Notes:
Use with hydraulic camshafts less than .550" max lift. Recommended spark plugs are Autolite 3924 or equivalent 14mm x ¾" reach with flat gasket seat. Requires hardened pushrods. 289-302 cid with 7/16" head bolts requires Edl-9680 head bolt bushing kit. 1.90" heads are ideal for stock pistons; 2.02" heads require additional piston to valve clearance.