Drivetrain Automatic Transmissions and Components

Sun Coast Converters

Suncoast Converters 8 Maximum Performance Converter w/ CNC Machined Billet Aluminum Stator Super Sprag COA-20550

$2,938.38

SKU: S02K COA-20550

In Stock
In Stock
Ships by Jun 19
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Coan Racing COA‑20550A 8″ Maximum Performance Converter combines compact efficiency with race-proven durability, making it a standout option for TH350 and TH400 high-performance builds. At just 8 inches in diameter and featuring a 3-bolt billet aluminum cover, this converter offers nimble throttle response while supporting serious launch performance. At its heart lies a CNC-machined billet aluminum stator that provides exceptional rigidity and improved thermal characteristics compared to standard designs. The unit is equipped with Coan’s formidable “Super Sprag” one-way clutch, delivering unwavering torque hold and slip-resistant engagement during full-throttle launches. This combination ensures that power is transferred efficiently and consistently, making it ideal for drag, circle-track, or performance-focused street applications. Additionally, the converter incorporates Coan's Maximum Performance build standards, ensuring resilience even under extreme RPM and torque loads. In a compact, lightweight package, the COA‑20550A delivers a potent blend of structural strength, precision engineering, and track-ready functionality, making it an exceptional choice for racers demanding aggressive launches and uncompromising reliability.

Fitment

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Specifications

BrandSun Coast Converters
Part NumberS02K COA-20550

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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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