Drivetrain Automatic Transmissions and Components

Sun Coast Converters

Suncoast E4OD CAT 2 400 HP TRANSMISSION WITH CONVERTER 1989-1991 4WD SC-E4OD-CAT2-8991-4WD $1450 Core Charge Applies

$9,675.00

SKU: S02K SC-E4OD-CAT4-8991-2WD

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

Professional / shop required

Description

The SunCoast Category 4 E4OD transmission is a high-performance, complete unit for up to 550HP. It includes Alto Red Eagle clutches and Kolene steels for high friction and heat resistance. Features an upgraded heavy-duty 45-element intermediate sprag (53% stronger than factory). The TransGo HD2 Tugger Kit in the valve body improves shift quality, exhaust braking, and cooling, correcting common E4OD issues. Comes with a new solenoid pack, bushing kit, and carbon fiber intermediate band. Upgrades include a 300 Maraging Billet Input Shaft, 4140 heat-treated stress-relieved billet steel forward drum, dual load center support with bronze bearing, and a 300m billet steel intermediate shaft with upgraded splines. The integrated SunCoast Category 1 Billet Triple-Disc Torque Converter features a billet stator, carbon graphite clutch discs, CNC-machined billet steel cover, balloon plate, 4140 turbine splines, 4140 hardened hub, Torrington thrust bearing stator design, and is computer-balanced. It carries a 3-year, unlimited-mileage warranty. Ideal for heavy-duty towing, not racing.

Fitment

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Specifications

BrandSun Coast Converters
Part NumberS02K SC-E4OD-CAT4-8991-2WD

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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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