Get your semi truck ready for the long haul with enhanced control valve performance, with the OTR 10-9/10" to 13-1/2" Adjustable Linkage with Expertise Built In. Thanks to its ability to connect control valves to actuation components, this replacement linkage is able to help increase the performance of air suspension valves, dump valves, and more. Engineered with a ceramic friction surface to provide an extended service life. FleetPride is your First Click in Heavy Duty.