Crowd Pleaser Edelbrock Gm Ls3 Engines E-street 15-degree Cylinder Heads W/ .570in Lift - Inconel Valves All Sizes Available [SPlwYeKC]

Edelbrock GM LS3 Cylinder Heads: The Ultimate Performance Upgrade

Edelbrock presents its E-Street 15-degree LS3 69cc cylinder heads (PN 77620), a premium replacement option designed for high-performance or stock GM LS3 engine builds. These heads are engineered to deliver exceptional power and are the best performance value in the aftermarket. Sold in pairs and assembled with premium COMP Cams® valve train components, these heads are a perfect fit for any LS3 engine build. With their identical architecture to the factory head, they ensure seamless integration with all stock components.

• Superior Performance: Offers the best performance value in the aftermarket for GM LS3 engines.
• Quality Components: Assembled with Beehive™ Valve Springs, chromoly steel retainers, heavy-duty stainless-steel & Inconel valves, and top-quality valve seals.

Engineered for Excellence: Features and Specifications

Crafted with premium aluminum alloy, these cylinder heads are machined to the industry’s tightest tolerances. The manganese bronze valve guides ensure extended wear and precise valve seat concentricity, leading to secure sealing and increased cylinder pressures. Edelbrock's patented Clean Cast Technology™ eliminates casting flaws and promotes a smoother internal surface finish for improved air and coolant flow. Key specifications include intake valve size of 2.165” and exhaust valve size of 1.590”. The Beehive Valve Springs accommodate up to .570” lift camshafts, ideal for a wide range of camshaft grinds.

• Superior Material: Premium aluminum alloy and manganese bronze valve guides for extended wear.
• Advanced Technology: Patented Clean Cast Technology™ for enhanced airflow and cooling.

Unmatched Performance for Any LS3 Engine Build

Whether you're looking to boost the power of your LS3 engine or maintain its stock performance, these cylinder heads are the ideal choice. Their versatility makes them suitable for a wide range of applications, from mild to hot camshaft grinds. The unique dual spark-plug-pocket design allows for maximum tunability, accommodating both factory-style tapered-seat spark plugs and gasket-seat spark plugs in wider heat ranges. These heads are the perfect solution for anyone seeking to enhance the performance and longevity of their GM LS3 engine.

• Universal Compatibility: Fits seamlessly with all stock components for easy installation.
• Maximized Tunability: Dual spark-plug-pocket design for maximum tunability and performance customization.