Remanufactured GM GMC Sierra Chevy SIlverado HD Truck 6.6 DURAMAX DIESEL Cylinder Heads 2001-2004 LB7 VIN CODE 1 (CORE RETURN REQUIRED)

Brand: ADV Cylinder Heads

Features:

• - Complete disassembly and thorough cleaning via hot tank & pressure tested to confirm casting integrity
• - Valve job Performed with all required angles & vacuum tested seals to ensure perfect compression.
• - PCD milled to ensure a super smooth finish. (PCD stands for Polycrystalline Diamond, and is best for aluminum heads).
• - New valve stem seals installed on all our heads & all valve guides are replaced with new ones as necessary.
• - New valve seats installed as necessary

Details: Vehicles & Years Applicable:

- 2001-2004 Chevy Duramax Diesel 6.6L

- New injector sleeves installed

- VIN 8th Digit must be "1"

**THIS LISTING IS FOR THE HEADS WITH INJECTOR SLEEVES**
**THESE HEADS HAVE THE PROTRUDING GLOW PLUG HOLES**