01-05 Duramax TransGo Allison 5 speed Shift KitCorrects Prevents Reduces: Goes to neutral under load; 3 4 slip; burned C2 or C3 clutches; sticks in one gear; wont move after extended parking; loss of pump prime; smart clutch control valves for increased durability; SHORT CRISP SMOOTH upshifts and kickdowns. Handles 500 Street Horsepower.

4 - 515350300 3

This kit works extremely well for a stock truck but was engineered to handle a Duramax engine that has been equipped with multiple high performance modifications

The Diesel Site Wicked Wheel 2 WWLB7 for your 2001-2004

This is the same truck that made 1086 horsepower and 1911 ft/lb of torque on a Mustang 1100SE dyno during the "Breaking Point 2" live feed in which they intentionally set out to find the limits (or breaking point) of the factory LML bottom end

LML: 13-16

The BedRug material is fade and UV resistant

Cracked transmission tail shaft housings (located between the transfer case and the transmission) are a common problem for GM Allison-equipped 4x4 pick-ups in offroad and drag racing situations

Made in the USA

normally takes 20 minutes to install

The RetraxPRO retractable truck bed cover is part of our Premium Aluminum Series covers

Prevents accidental filter fallout

and the ability to read and clear diagnostic trouble codes (DTCs)