This is a matched pair of 775 High Performance motors and Hardened Steel First Gears for Roll Play Chevy Silverdaos. Just unbolt your old motor and bolt in the new one. Slide out your plastic first gear and slide on the steel one. These motors will add significant speed over stock motors and are designed to run at 18 to 24 volts of power. With each pair you get:
* Torque Sleeves around each motor to add more low-end power.
* Spade Connectors pre-soldered to the motors so you can install without soldering.
* Hardened Steel pinion gears installed on the motors with threadlock.
* Quick change wire connectors
* Hardened Steel First Gears with steel ball bearings
* Motor Mounting Screws are included

Just like when modifying a real car, modifying a Power Wheels voids all warranties. If you have made any non-MLToys modifications to your car you should reach out to our tech support first to check compatibility. MLToys bears no responsibility for damage to vehicle, persons, or property incurred by modifying a vehicle. Be Smart, Be Safe, and Have Fun!