MAXIMUM PERFORMANCE SUPERGLIDE SHORTY 18" W/BRAKE

• Reverse lock-out
• Steel hub
• Aerospace alloy ringless super shaft
• "Maximum Duty" straight cut planetary w/alum. carrier
• Billet output shaft
• Super Drum 10 clutch
• Roller bearing output
• Deep alum pan
• Reid SFI case
• 1.80 ratio
• Billet brake valve body

The Coan Racing COA‑11149 “Maximum Performance Superglide” Shorty 18″ Transmission is a meticulously engineered Powerglide designed for uncompromising race performance in compact builds. Featuring a robust steel hub and aerospace-grade alloy ringless Super Shaft, this transmission delivers exceptional structural integrity and precise torque handling. Its core includes the “Maximum Duty” straight-cut planetary housed in an aluminum carrier, ensuring sharp, efficient power delivery under high-stress conditions. A billet output shaft combined with a 10‑clutch Super Drum and roller-bearing output optimizes shift consistency and durability.

A standout feature is the integrated reverse lockout and a billet brake valve body, which enables faster, more controlled launches by preventing unintended reverse engagement. The transmission is built into a fabricated deep aluminum pan for enhanced fluid capacity and cooling, all hosted in a Reid SFI-certified case. With a racing-optimized 1.80 gear ratio and compact 18‑inch bolt-in design, the COA‑11149 provides a race-ready, lightweight, and highly responsive drivetrain solution tailored for bracket or circle-track competition.