Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

Suncoast ALLISON CAT 4 REBUILD KIT (WITHOUT CONVERTER) (WITH FLEXPLATE) GMAX-CAT4-L5P-KIT-LC $1300 Core Charge Applies

$8,808.34

SKU: S02K GMAX-CAT3-LB7LLY-KIT

In Stock
In Stock
Ships by Jun 18
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

A rebuild kit for Allison transmissions, designed for daily driver/tow/street/strip/sled pulling applications with modified trucks. It includes SunCoast custom clutch packs, steels, billet plates, overhaul kit, valve body calibration kit, gasket kit, filters, wiring harness, billet SFI certified flexplate, billet input shaft, billet P2 planet assembly, billet C2 clutch hub, and modified sun gear. Features proprietary Alto carbonite/Raybestos SCZ frictions with a waffle pattern for oil retention, redesigned apply pistons for higher heat, and a custom apply plate for improved lubrication. Designed for customers who already have a torque converter.

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 GMAX-CAT3-LB7LLY-KIT

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