Gearbox designs, manufactures and distributes a diversified portfolio of transmission, wet braking and steering components, with a focus on friction and reaction clutch plates that facilitate automated gear changes under the Raybestos Powertrain, Steel Parts and Allomatic brands. Gearbox is a market leader known for innovation, quality and reliability that supplies the world's foremost aftermarket distributors, automotive OEMs, Tier 1 auto and industrial suppliers and heavy-duty transmission manufacturers.