The GM Duramax 6.6L Turbo-Diesel (LLY, LBZ & LMM) Fuel Injector Puller Lift Kit ensures fast, efficient injector removal without constant bolting/unbolting. Includes a durable Jack Screw for smooth operation and reliability. The Jack Screw aligns directly into the hold-down bolt hole, positioning the lifting fork for maximum pulling power and slip prevention.Versatile: Works on GM Duramax 6.6L Turbo-Diesel (LLY 2004-2005, LBZ 2006 ? 2007.5, LMM 2007.5 - 2010).Precision Fit Design: Machined (not cast) for a snug fit to the injector, ensuring no wobbling, bending, or walking off-center.Air-Hammer Integration: Compatible with an air-assisted articulated punch (sold separately) for concentrated force and harmonic vibration to quickly loosen injectors.Durable Construction: Engineered to resist cracking, bending, and walking off-center, delivering professional-grade performance.Save Time: No more bolting/unbolting the cylinder head.Made in the USA: Built with high-quality materials to industry standards.