9" MAXIMUM PERFORMANCE CONVERTER W/ CNC MACHINED BILLET ALUMINUM STATOR, "SUPER SPRAG"

The Coan Racing COA-20450 9″ Maximum Performance Converter with Billet Aluminum Stator and Super Sprag is a top-tier torque converter engineered for TH350 and TH400 transmissions in high-performance and racing environments. At only 9 inches, this compact unit dramatically reduces rotating mass while delivering powerful torque multiplication and launch performance. Central to its design is a precision-machined billet aluminum stator and other performance component upgrades that enhance structural rigidity, boost hydraulic stability.

Built to Coan’s “Maximum Performance” standards, the COA-20450 incorporates Coan’s exclusive Super Sprag design, delivering firm, slip-resistant engagement to ensure consistent and aggressive launches under high-load conditions. By combining lightweight, service-focused construction with race-proven internal engineering, the COA-20450 offers a powerful blend of durability, responsiveness, and performance consistency, making it ideal for drag racing, circle-track, or aggressive street builds where compact efficiency and elite-level strength are essential.