BDD Allison Valve Body Chevy LLY Duramax 2004-2006 1030471 F-350 Super Duty Manual lockup switch that uses

Manual lockup switch that uses safe engine stall protection

Bolt On Bracket Mounts old mounting styles required drilling or welding when mounting your new System

GM Reflash Required

Replacement Filter KF-1035

Derringer is dyno calibrated to use multiple data inputs such as throttle position

BDD Allison Valve Body Chevy LLY Duramax 2004-2006 1030471 F-350 Super Duty Manual lockup switch that usesBD'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. FEATURES Modified, tuned and tested to provide optimum performance Revised valve design New trim valves increase clutch apply pressures Hand lapped surfaces prevent internal leakage Improved shift quality