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Sun Coast Converters

Suncoast Converters 8 Maximum Performance Converter - Super Sprag COA-20510

$2,640.12

SKU: S02K COA-20510

Out of Stock
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$100 Minimum Order
Non-Returnable Item
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Overview

The Coan Racing COA‑20510 8″ Maximum Performance Converter with Super Sprag is a high-output torque converter expertly crafted for TH350 and TH400 transmissions in competitive race vehicles. Compact yet powerful, this 8-inch unit delivers aggressive stall characteristics and torque multiplication, optimized for launch performance while maintaining efficiency. At its core is a rugged stator designed to resist ballooning and preserve essential pump clearances at extreme RPM, ensuring consistent hydraulic function under stress. Built to Coan’s Maximum Performance standards, featuring Coan’s “Super Sprag”, a one-way clutch mechanism that delivers rock-solid, slip-free engagement during full-throttle launches, providing fast, repeatable performance under extreme conditions. Engineered for drag, circle-track, and performance-street racing, the COA‑20510 offers race-proven durability and responsiveness in a compact package, making it ideal for builders seeking maximum performance in weight-conscious applications.
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Suncoast Converters 8 Maximum Performance Converter - Super Sprag COA-20510

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 COA-20510
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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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