Ensure your semi has Expertise Built In with reliable air brake performance, with the OTR 12.25" / 16.5" Full Camshaft Repair Kit for Intraax. This repair kit tightens the internal components of a brake drum, allowing the camshaft to spread the brake shoes apart and create enough friction to slow a vehicle. Designed with precisely-engineered accessories to offer long-term dependability and wear resistance. FleetPride is your First Click in Heavy Duty .