2001-2004 Duramax Stock Reman Head (PDM-LB7SH)
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Description
Description
Industrial Injection stock reman LB7 cylinder heads for 2001-2004 Chevrolet Silverado 2500HD/3500 and GMC Sierra 2500HD/3500 6.6L LB7 Duramax. Sold as a pair, fully assembled and ready to bolt on — the direct-replacement stock head option.
Each head is jet washed, glass beaded, pressure tested, and visually inspected. Valve guides and seats are replaced as needed with high-strength heat-treated iron-based valve guides (Rockwell 22 C scale) and premium nickel-based non-magnetic valve seat inserts. Guides are diamond honed to exact size, then the head receives a multi-angle valve job on a Serdi 100 guide-and-seat machine. Decks are surfaced on a Berco mill with a finish matched to the head gasket spec, then the head is jet washed, dried, and assembled with new valve seals and new valve springs.
Features
Features
- Stock Reman LB7 Cylinder Heads
- Direct Replacement
- Diamond-Honed Valve Guides
- High-Strength Heat-Treated Iron Valve Guides (Rockwell 22 C)
- Premium Nickel-Based Non-Magnetic Valve Seat Inserts
- Multi-Angle Valve Job (Serdi 100)
- Decks Surfaced (Berco Mill) to Match Head Gasket Spec
- New Valve Seals & New Valve Springs
- Sold as a Pair
- Part Number: PDM-LB7SH
Notes
Notes
- To receive full core credit, cores must be a re-usable pair of cylinder heads with no cracks, warping, or excessive wear.
- For the upgraded reman heads with screw-in torque-lock injector cups, see the PDM-LB7SH-TL. For brand-new OE-style heads with reinforced casting, see the PDM-LB7SHN.
- Core deposit applies — keep your old cylinder heads and return them to recover the deposit.
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Questions and Answers
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