ST Racing Concepts B5M Aluminum "3 Gear" Motor Plate (Blue)

Upgrade an Associated 3-Gear gearbox with the ST Racing Concepts B5M Aluminum “3 Gear” Motor Plate. This blue machined aluminum plate features heatsink fins to help increase heat dissipation and longer motor screw hole slots for easier installation of a larger pinion gear.

It is designed for the Associated B5M, SC5M, and T5M vehicles, with the extended slots offering a wider range of gear ratio options, including applications such as 17.5 stock racing.