K37908

Shift Kit® Duramax, Diesel 2001-04 5-SPD Chevrolet, GMC 1000 Heavy Duty & Competition Diesel/Gas Trucks (Also fits 2005 5-SPD models when Shift Selector has no M position)

Features:

• Short, crisp, smooth upshifts and kick-downs
• Increased clutch torque capacity
• C2 clutch upgrades to improve durability

Corrects/Prevents/Reduces:

• Goes 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

Also Includes:

• Transgo exclusive smart trim/clutch control valve assemblies for increased durability
• Assemblies and items to modify the C2 clutch piston