- motors
red, 14,500 rpm motor
yellow, 18,000 rpm motor
orange, 21,000 rpm motor - motor clip
- transfer gears
red, transfer gear, 9 / 32 teeth
yellow, transfer gear, 10 / 32 teeth
orange, transfer gear, 11 / 32 teeth - rear axle gears
red, 41 teeth
yellow, 40 teeth
orange, 39 teeth