Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

ALLISON JR TRANGO SHIFT KIT

$155.00

SKU: S02K ALLISONSK-JR

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

ALLISON JR TRANGO SHIFT KIT

MIA's Description

The SunCoast Converters ALLISONSK-JR is a shift kit designed for Allison 1000, 2000, and 2400 transmissions. It aims to correct and prevent common issues such as neutraling under load, 3rd to 4th gear slips, and C2 or C3 clutch burning.

This kit is compatible with 2006-2010 GM Duramax engines and is rated for up to 500 street horsepower. It utilizes exclusive smart trim/clutch control valve assemblies for increased 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

BrandSun Coast Converters
Part NumberS02K ALLISONSK-JR

Videos

SunCoast 10L1000 Valve Body Install! | Huge Allison 10L1000 Reliability Improvement!

SunCoast 10L1000 Valve Body Install! | Huge Allison 10L1000 Reliability Improvement!

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.

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