"Super Pro" Shorty 18" w/ Brake

"SUPER PRO" SHORTY 18" W/ BRAKE

• Steel hub
• 300m alloy shaft (TH spline)
• "Extreme Duty" planetary
• 8 clutches
• Billet servo
• Deep alum pan

The Coan Racing COA‑11148A “Super Pro” Shorty 18″ Transmission is a high-performance Powerglide engineered for serious racing in compact vehicle setups. Built on an 18-inch shorty configuration, this unit features a robust steel hub and a 300M alloy shaft (TH splines), offering exceptional strength and torque resistance under aggressive launch conditions. The internal drivetrain is outfitted with an "Extreme Duty" planetary designed to handle elevated loads, paired with an eight-clutch drum to ensure consistent engagement and durability under stress.

Built with a fabricated deep aluminum pan for superior fluid capacity and cooling efficiency, the COA‑11148A is a bolt-in solution that delivers balance, performance, and packaging efficiency. As a result, it offers racers a compact yet race-ready transmission that excels under track conditions and tight-fit applications.