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Perfect for Flat Tappet Engines: Minimizes metal-on-metal contact
ensuring a straightforward installation
Engineered to factory specifications
2017-2021 Duramax L5P Gator Fasteners Heavy Duty Head Stud Kit (HSK66L5P)
and feature a standard shot peened finish to reduce stress risers
2006-2007 Duramax LBZ PML Reman Cylinder Head Set of 2 (CH66D-LBZ-06-07) 3.0L Perfect for Flat Tappet Engines:2006 2007 Duramax LBZ PML Reman Cylinder Head Set of 2 (CH66D LBZ 06 07) Each PowerHouse cylinder head undergoes a thorough remanufacturing process, including precision machining, pressure testing, and meticulous inspection. Rebuilt using high quality components, our cylinder heads are designed to withstand extreme conditions and deliver superior durability. Whether you're looking to restore your engine's performance or upgrade to a more powerful