Unleash 38 HP in Your Golf Cart with One Simple Part!

Introducing the QS138 90H Motor Coupler for EZGO Differentials — the ultimate solution for high-power electric conversions. This precision-engineered coupler seamlessly connects the QS138 90H motor’s output shaft to the stock EZGO differential spline, replacing low-output gas or electric drivetrains with up to 38 horsepower of electric torque. No custom machining, no guesswork — just plug, bolt, and blast off. Perfect for builders upgrading golf carts, buggies, or off-road EVs. Built to handle serious power, and designed to make your swap clean, fast, and reliable.

Used on 1990 EZGO golf carts or older. See image below for the diff

To be used with https://www.pcbway.com/project/shareproject/QS138_90H_Output_Shaft_to_EZGO_Diff_Spline_Adapter_f0c8ba83.html