Industrial Injection is proud to offer Brand New LLY Duramax Stock Cylinder Heads for your 2004.5-2005 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.
Note: To receive full core credit we need a good, re-useable pair of cylinder heads. No cracks, warping, or excessive wear.