These Schumacher Racing Products front transmission housings are a factory replacement for the Cat PB 4x4 buggy platform. Sold as a pair, they form the front differential housing assembly that supports drivetrain components at the front end of the chassis. The housings are molded in black composite plastic and designed to mate together as a complete enclosure. Features: Sold as a pair - left and right housings included Molded composite plastic construction Designed for the Schumacher Cat PB 4x4 platform Direct factory replacement fit 7/7/26 cs