GM Stock Cylinder Heads For 01-04 LB7 6.6L Duramax Industrial Injection COLLAR 4in Half Marmon (HX40) Flange

4in Half Marmon (HX40) Flange Price includes applicable core fee

not inside the tank

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GM Stock Cylinder Heads For 01-04 LB7 6.6L Duramax Industrial Injection COLLAR 4in Half Marmon (HX40) FlangeIndustrial Injection is proud to offer Brand New LB7 Duramax Stock Cylinder Heads for your 2001 2004 GM Duramax. These brand new GM OE cylinder heads have a reinforced casting to make them more durable and help eliminate cracking. Each head has been pressure tested and comes fully loaded and assembled with new factory injector cups. Features: Brand New GM Cylinder Heads Reinforced Casting To Help Eliminate Cracking New OE Injector Cups Installed