2001-2004 Duramax New Stock Cylinder Heads (PDM-LB7SHN)

Industrial Injection brand-new OE-spec cylinder heads for 2001-2004 Chevrolet Silverado 2500HD/3500 and GMC Sierra 2500HD/3500 6.6L LB7 Duramax. Sold as a complete pair, fully loaded and assembled with new factory injector cups installed.

These are not remanufactured — they're brand-new GM-style castings with reinforcement added to address the cracking known to affect original LB7 heads. Every head is pressure tested before it leaves the line.

• Brand-New OE-Style LB7 Cylinder Heads
• Reinforced Casting — Helps Eliminate Cracking
• New OE Injector Cups Installed
• Pressure Tested
• Fully Loaded & Assembled
• Sold as a Pair
• Part Number: PDM-LB7SHN

• For a remanufactured option with standard cups, see the PDM-LB7SH Stock Reman Head. For a reman head with the upgraded torque-lock injector cups, see the PDM-LB7SH-TL Stock Reman Heads w/ Torque Lock Cups.