These Schumacher Racing Products alloy front transmission housings are a direct factory replacement for the CAT XLS platform. The housings are machined from metal for improved durability over standard components and are sold as a pair, left and right. Hardware and a drill bit are included to complete the installation. Features: Machined alloy construction Sold as a matched pair Installation hardware and drill bit included Factory replacement for CAT XLS 7/7/26 cs