Allison Exchange Valve Body Silverado/Sierra 2004-2006 Duramax 6.6L LLY BD Diesel FLEECE PERFORMANCE " This design eliminates the pass

This design eliminates the pass thru boss needed for the 6th bolt and allows us to open the cross sectional area even further

Maintains all OEM factory turbocharger functions including exhaust brake and warm up

Elevate your wardrobe and showcase your commitment to both style and diesel passion

the stock GM pan retains over half a quart of the dirtiest

Part Number: 1075826

Allison Exchange Valve Body Silverado/Sierra 2004-2006 Duramax 6.6L LLY BD Diesel FLEECE PERFORMANCE " This design eliminates the passBD'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 Tranmission life. Install Time: 3 Hours Warranty: Parts 12 Months 24,000 Miles Labor 12 Months 24,000 miles Emissions: This product does not require an EO in California. By nature of its design, it is legal for sale and use