Drivetrain› Automatic Transmissions and Components

Sun Coast Converters

Suncoast ALLISON CAT 4 950 HP REBUILD KIT (WITHOUT CONVERTER) (WITH FLEXPLATE) GMAX-CAT4-LB7 LLY-KIT-LC $950 Core Charge Applies

$7,348.34

SKU: S02K GMAX-CAT3-LBZLMM-KIT-LC

In Stock
In Stock
Ships by Jun 20
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

This rebuild kit is for Allison transmissions (daily driver, towing, street/strip, sled pulling applications with modified trucks). It includes custom clutches and steels (Alto carbonite/Raybestos SCZ frictions with waffle pattern for oil retention and cooling), custom billet plates, custom overhaul kit, valve body calibration kit, gasket kit, internal and spin-on filters, pan gasket, SunCoast Filter "Loc", Billet C2 Clutch Hub (4140 heat-treated steel), Modified Sun Gear, Billet P2 Planetary Assembly (4140 billet steel, induction hardened), Billet SFI certified Flexplate (SFI 29.3), and Billet Input Shaft (9310 Vacumelt steel). Redesigned apply pistons with improved rubber compounds and a custom apply plate for better lubrication are also included.

Fitment

Fitment Guaranteed

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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.

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Specifications

BrandSun Coast Converters
Part NumberS02K GMAX-CAT3-LBZLMM-KIT-LC

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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