BD Allison Valve Body - Chevy 2001-2004 Duramax LB7

BD's exchange valve bodies are modified, tuned and tested to provide optimum performance in towing and performance applications. The end result is improved shift quality, increased clutch holding capacity, reduced wear and extended transmission life.Modified, tuned and tested to provide optimum performance; New trim valves increase clutch apply pressures; Revised valve design; Hand-lapped surfaces prevent internal leakage; Improved shift quality; Increased clutch holding capacity; Free shipping for returning core! (details included with product); Our goal is to be an innovative company and a world class manufacturer that distributes products Worldwide for North American Diesel vehicles.; Our goal is to be an innovative company and a world class manufacturer that distributes products Worldwide for North American Diesel vehicles.