9" (245mm) Circle Track Converter, +1/4" Midplate

9" (245MM) CIRCLE TRACK CONVERTER, +1/4" MIDPLATE

The Coan Racing COA-10408-1-250 9″ (245 mm) Circle Track Torque Converter, +1/4" Midplate is a purpose-built performance converter tailored for GM Powerglide transmissions used in circle-track racing. With a compact 9-inch (245 mm), it’s engineered to maximize acceleration while maintaining optimal torque multiplication, making it well-suited for oval track competition. Designed for circle track applications, this converter enhances throttle response and corner-exit performance without overly compromising stall speed.

The COA-10408-1-250 ensures consistent fluid dynamics and reliable operation under the sustained loads typical of circle-track environments. Its drop-in compatibility with standard Powerglide transmissions enables straightforward installation, delivering targeted performance improvements for racers seeking sharper off-the-line acceleration and robust mid-range power delivery, all within a race-ready, bolt-in package.