9" (245mm) Maximum Performance Converter w/ CNC Machined Billet Steel Stator & Billet Cover, "Super Sprag"

9" (245MM) MAXIMUM PERFORMANCE CONVERTER W/ CNC MACHINED BILLET STEEL STATOR

• Billet cover
• "Super Sprag"

The Coan Racing COA‑20430‑1 9″ (245 mm) Maximum Performance Converter is a race-engineered torque converter crafted specifically for TH350 and TH400 transmissions that demand compact size without sacrificing performance. Featuring a precision CNC-machined billet steel stator and billet cover, this 9-inch unit delivers exceptional structural integrity and hydraulic stability under intense use. Enhanced with Coan’s signature “Super Sprag” system, it ensures firm, slip-resistant engagement, delivering aggressive launch consistency for drag, circle‑track, or high-performance street builds.

Built on Coan’s “Maximum Performance” foundation, the COA‑20430‑1 incorporates heavy duty components, ensuring race-ready durability in extreme torque and RPM environments. Its compact size reduces rotating mass for rapid throttle response while maintaining excellent torque multiplication, making it an ideal performance upgrade for those seeking elite-level strength and responsiveness in a streamlined package.