Get your semi Ready for the Road Ahead™ with reliable air brake performance, with the Holland 15" / 16" Full Camshaft Repair Kit for Meritor Q/Q+. Thanks to its multitude of components that tighten and seal the internal brake drum, this repair allows the camshaft to spread apart the brake shoes to create friction and slow a vehicle. Crafted with precisely-engineered accessories to resist wear and deliver long-term dependability. FleetPride is your First Click in Heavy Duty®.