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.

Details:

• Engine Manufacture: Duramax
• Liter: 6.6 Liter
• Ems Code: 4
• Engine Designation: LLY
• Engine Years: 2004-2006
• Installation Time: 3 Hours
• Transmission Model: Allison
• Fits: 2004-2005 Silverado/Sierra 2500 HD 2004-2005 Silverado/Sierra 3500
• Shipping Restriction: This product does not require an EO in California. By nature of its design, it is legal for sale and use in all 50 states
• Sold As: Each
• Warranty: 12-Months/24,000 Miles