The Meritor 1.5" Cam / 28 Spline / 5"- 6" Automatic Slack Adjuster is the perfect solution for any commercial vehicle. This self-contained and sealed unit is designed to resist contamination and reduce installation time. The self-adjusting system eliminates the need for frequent manual tune ups, reducing maintenance costs. The advanced lightweight construction delivers shorter stopping distances and longer lining life. The integrated design ensures a secure fit and eliminates the need for additional hardware. FleetPride is your First Click in Heavy Duty®.