BD Diesel Valve Body - 2004-2006 Duramax LLY Allison 1000 Accessory Set What's the difference

What's the difference

New Backing Plate Bolts (x4)

for example

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BD Diesel Valve Body - 2004-2006 Duramax LLY Allison 1000 Accessory Set What's the differenceBD Diesel Valve Body 2004 2006 Duramax LLY Allison 1000 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. Features Modified, tuned and tested to provide optimum performance Revised valve design New trim valves increase clutch apply pressures Hand lapped