NEW BARE Chevy GM GMC 350 57 VORTEC Cylinder Head CAST 906 062 Suburban Escalade 19962002

Complete disassemblyand thorough cleaning via hot tank pressure tested to confirm castingintegrity Valve job Performedwith all required angles vacuum tested to ensure perfect compression. CBN milled to ensurea super smooth finish. CBN stands for Cubic Boron Nitride, and is best forcast iron heads. PCD milled to ensurea super smooth finish. PCD stands for Polycrystalline Diamond, and is bestfor aluminum heads. New valve stem sealsinstalled on all our heads all valve guides are replaced with new onesas necessary. New valve seatsinstalled as necessary NO UPFRONT CORE CHARGECORE RETURN REQUIRED WITHIN 21 DAYS OF DELIVERYPREPAID RETURN LABELS PROVIDEDCORES MUST MATCH THE HEADS PURCHASEDNO CAM SEALS HAVE BEEN INSTALLED ON ANY OF OUR HEADS