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Edelbrock E-Street 15-degree LS3 cylinder heads, 69 cc chambers, sold in pairs and assembled with premium valve-train components for GM LS3 engines. Intake valves measure 2.165" and exhaust 1.590", and Beehive valve springs allow up to .570" lift. Manufactured from high-quality aluminum with Clean Cast Technology, manganese bronze guides, and a dual spark-plug-pocket design for tunability.
Edelbrock GM LS3 Engines E-Street 15-Degree Cylinder Heads w/ .570in Lift - Inconel Valves
