The Edelbrock E-Street LS1/LS3 Cylinder Head is a premium quality, bolt-on-ready cylinder head for any high-performance or stock GM LS1/LS3 engine build.
Features & Benefits:
• Available fully assembled using premium COMP Cams components for .570” or .660” lift valve springs
• Clean Cast Technology eliminates casting flaws and promotes a smoother surface finish for greater air and coolant flow
• Manganese valve guides for better wear resistance
• Stainless-steel valves for durability
• Unique dual-seat spark-plug pocket gives total flexibility in spark plug selection