Includes our exclusive Smart Trim/Clutch Control valve assemblies and items to modify the C2 clutch piston for increased capacity and more durability. The C2 clutch is the weakest part of the early 5 Speed Allison
Addresses goes to neutral under load; 3-4 slip; burned C2/C3 clutches; sticks in one gear; won't move after extended parking; loss of pump prime; smart clutch control valves for increased durability; SHORT-CRISP-SMOOTH-upshifts & kickdowns
Handles 500 Street Horsepower
Fitment
2007-2008 Chevy Silverado 3500HD 6.6L
2007-2007 Chevy Silverado 3500 Classic 6.6L
2006-2008 Chevy Silverado 2500HD 6.6L
2006-2006 Chevy Silverado 3500 6.6L
Warranty
Parts
Refer to Manufacturer's Warranty
Emissions
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. Replacement parts included. (EMS:4)
Year Ranges
Make
Model
Series
Engine
2006-2008
GM/Chevrolet
Silverado
2500HD/3500HD
Property
Values
Year Ranges
2006-2008
Make
GM/Chevrolet
Model
Silverado
Series
2500HD/3500HD
Engine
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