Fits 2005-2010 6 Speed Allison 1000-2400 series.
Duramax Diesel Chevrolet, GMC Diesel/Gas Trucks Heavy Duty, Street, Show & Competition.

Includes our exclusive smart Trim/Clutch Control valve assemblies for increased durability

Addresses Going to neutral under load; 3-4 slip; burned C2 or C3 clutches; sticks in one gear; won't move after extended parking; loss of pump prime; SHORT-CRISP-SMOOTH upshifts and kickdowns.

Handles 500 Street Horsepower.

Installation recommendation: Experienced technician
Transmission removal necessary: No

For earlier 5 Speed Allison use the "Allison SK"