10" (265mm) MAXIMUM PERFORMANCE CONVERTER W/ BILLET FRONT COVER, 6 BOLT, "SUPER SPRAG"

The Coan Racing COA‑20320‑3A 10″ (265 mm) Maximum Performance Converter with Billet Front Cover and Super Sprag is a high-performance torque converter tailored for TH350 and TH400 applications. It combines the compact efficiency of a 10-inch unit with Coan’s race-proven “Super Sprag” clutch, delivering unmatched torque-holding strength for aggressive launches in road-race, drag, or modified systems. The billet aluminum six-bolt front cover enhances structural rigidity and reinforces the converter’s housing under extreme load. Built on Coan’s Maximum Performance foundation for exceptional durability at high RPM. 

Ideal for enthusiasts who demand consistent, hard-hitting performance from a compact package, the COA‑20320‑3A merges strength, precision engineering, and race-ready design for serious TH350/400 builds.