Product Details: Made with Expertise Built In™, the OTR 15.5” x 2”, 9-Spring EZ Pedal Style Clutch Assembly features a sealed and permanently oiled release bearing for longer life and less maintenance. The cryogenically treated springs eliminate disc spring failures. With advanced ceramic material, this premium OTR spring clutch replacement delivers 10-15% more holding power versus carbotic. With the patented self locking adjuster, no lock is needed to remove or depress; easily turn to adjust. This heavy duty spring clutch also boasts clad bushings that are crimped and pressed into the sleeve, which encourages extended bushing life for your semi truck. FleetPride is your First Click in Heavy Duty®.