ADV Cylinder Heads Chevy 350 5.7 VORTEC Cylinder Heads PAIR # 906 062 Suburban W/ Head Set & Bolts (Core Return Required)

ADV Cylinder Heads Chevy 350 5.7 VORTEC Cylinder Heads PAIR # 906 062 Suburban W/ Head Set & Bolts (Core Return Required) Complete disassembly and thorough cleaning via hot tank & pressure tested to confirm casting integrity Valve job Performed with all required angles & vacuum tested to ensure perfect compression. CBN milled to ensure super smooth finish. (CBN stands for Cubic Boron Nitride, and is best forecast iron heads). PCD milled to ensure super smooth finish. (PCD stands for Polycrystalline Diamond, and is best for aluminum heads).