1/10th scale Brushless RC Electric Conversion Kit For Traxxas Revo 3.3 2.5 & Slayer electric conversion kit direct hole fitment. Kit includes 1 motor mount, 1 ESC/RX mount, 1 battery mount. Motor Mount is made for brushless motor only. Battery mounts are designed for 20mm wide battery straps. The motor mounts are not designed for temps over 130F. Color choices are Blue, Black, Red, Violet, magenta, lime Green, and orange. If I don’t receive a message with color of choice, you will receive black.