Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

ALLISON JR TRANGO SHIFT KIT

$145.84

SKU: S02K ALLISONSK-JR

Out of Stock
Out of Stock
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

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.
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ALLISON JR TRANGO SHIFT KIT

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandSun Coast Converters
Part NumberS02K ALLISONSK-JR

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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