The Story
Description
Industrial Injection LB7 Duramax race cylinder heads for 2001-2004 Chevrolet Silverado 2500HD/3500 and GMC Sierra 2500HD/3500 6.6L LB7 Duramax. Sold as a complete pair, fully ported and assembled, ready to bolt on.
Heads are 5-axis CNC ported using CAD/CAM software developed specifically for cylinder head porting, then fitted with screw-in torque-lock injector cups, new diamond-honed valve guides, premium nickel-based non-magnetic valve seat inserts, new unshrouded valves with a multi-angle valve job, and 130lb performance valve springs.
Features
- 5-Axis CNC Race-Ported LB7 Cylinder Heads
- Screw-In Torque Lock Injector Cups
- Diamond-Honed Valve Guides
- Unshrouded Valves w/ Multi-Angle Valve Job
- High-Strength Heat-Treated Iron Valve Guides
- Premium Nickel-Based Non-Magnetic Valve Seat Inserts
- 130lb Performance Valve Springs
- Sold as a Pair
- Part Number: PDM-LB7RH
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 standard reman head with stock-style cups, see the PDM-LB7SH Stock Reman Head. For a reman head with torque-lock cups (without the race porting), see the PDM-LB7SH-TL.
- Core deposit applies — keep your old cylinder heads and return them to recover the deposit.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Description
Industrial Injection LB7 Duramax race cylinder heads for 2001-2004 Chevrolet Silverado 2500HD/3500 and GMC Sierra 2500HD/3500 6.6L LB7 Duramax. Sold as a complete pair, fully ported and assembled, ready to bolt on.
Heads are 5-axis CNC ported using CAD/CAM software developed specifically for cylinder head porting, then fitted with screw-in torque-lock injector cups, new diamond-honed valve guides, premium nickel-based non-magnetic valve seat inserts, new unshrouded valves with a multi-angle valve job, and 130lb performance valve springs.
Features
- 5-Axis CNC Race-Ported LB7 Cylinder Heads
- Screw-In Torque Lock Injector Cups
- Diamond-Honed Valve Guides
- Unshrouded Valves w/ Multi-Angle Valve Job
- High-Strength Heat-Treated Iron Valve Guides
- Premium Nickel-Based Non-Magnetic Valve Seat Inserts
- 130lb Performance Valve Springs
- Sold as a Pair
- Part Number: PDM-LB7RH
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 standard reman head with stock-style cups, see the PDM-LB7SH Stock Reman Head. For a reman head with torque-lock cups (without the race porting), see the PDM-LB7SH-TL.
- Core deposit applies — keep your old cylinder heads and return them to recover the deposit.
