EXTREME PERFORMANCE MANUAL

• 300M alloy input shaft
• 300M alloy main shaft
• Steel clutch hub
• Super Sprag
• Deep aluminum pan
• Forward pattern w/ engine braking
• Chevrolet 4" ext.

The Coan Racing COA-21114A-0 Extreme Performance Manual is a race-grade transmission engineered for top-level competition, built around 300M alloy input and main shafts to provide exceptional strength and fatigue resistance. It incorporates a robust steel clutch hub and Coan’s signature “Super Sprag” one-way clutch, designed to deliver solid lock-up under intense torque loads without premature failure. The unit features a deep aluminum pan that enhances fluid capacity and cooling efficiency during extended operation. The COA-21114A-0 delivers the strength, responsiveness, and control demanded by serious drag, bracket, and road-course racers.