Tork Tool manufactures high quality Diesel Engine Tools for Cummins and Duramax truck owners. We reverse engineer, design and manufacture solutions to specific problems that every Diesel Truck and 4WD has. Our philosophy is Drive it forever! Look through our Injector Removal Tools, Valve Spring Compressors and Injection Pump Gear Remover tools and reviews from our customers. Also see our fuel system tools, the Adjustable Overflow Valves, HP Overflow Valves and Fuel Pressure Snubbers. These are all high quality tools to get the job done.