STOCK GRADE REPLACEMENT: This Nidec/AMD DC motor is mapped to mimic the factory speed and torque settings MADE TO FIT: 10 spline for 48 volt Club Car DS golf cart models with Shunt systems REPUTABLE QUALITY FROM THE TOP MANUFACTURER: AMD Part EX9-4002 - replaces EJ8-4001A, EJ4-4001, 5BC59JBS6365 MOTOR SPECS: 48 volt; 3.3 HP @ 3000 RPM Weighing in at 3.3 horsepower at 3000 RPM, this American-made aftermarket golf cart beast beats out the OEM counterpart it replaces easily. This motor will add a little bit of speed and torque to your ride, so be prepared for the put-back power it packs.