"MAXIMUM DUTY" STRAIGHT CUT PLANETARY GEARS ONLY, COMPLETE SET W/ RING GEAR AND REACTION FLANGE 1.69 RATIO

The Coan Racing COA‑12787‑169 “Maximum Duty” Straight‑Cut Planetary Gear Set (1.69 Ratio) is a race-grade gear assembly crafted for high-performance GM Powerglide transmissions. This complete set features precision-machined straight-cut gears, a heavy-duty ring gear, and reaction flange, all tuned to a 1.69 low-gear ratio. Engineered to exacting tolerances, the components ensure exceptional gear engagement and strength under extreme torque loads.

Designed as a drop-in solution, the COA‑12787‑169 installs cleanly into the stock Powerglide case without requiring modifications, delivering crisp, dependable power delivery and enhanced drivetrain reliability for serious performance builds and competition use.