Drivetrain Automatic Transmissions and Components

Trans Go Performance

Allison 01-05 5SPD SHIFT KIT

$238.56

SKU: T09L ALLISON SK

In Stock
In Stock
Ships by Jun 8
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Trans Go Performance Allison SK is a shift kit designed for 2001-2004 GM 6.6L LB7 Duramax with Allison 5-speed transmissions. This kit addresses common issues such as going into neutral under load, 3-4 slip, burned clutches, and loss of pump prime. It includes Smart Trim/Clutch Control valve assemblies and modifications for the C2 clutch piston to increase durability.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandTrans Go Performance
Part NumberT09L ALLISON SK

Videos

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy