With Expertise Built In™, the OTR Air Shift Control Valve Kit is a high-quality, durable replacement kit to control gear shift efficiently. This OTR air shift control valve is made of high-strength material to optimize equipment life and operation. In addition, this OTR air shift control valve kit has OEM fit, form, and function, and is engineered and tested to ensure high-performance, quality, and durability. In the end, this superior heavy duty air shirt control valve kit effectively shortens shift time and smooths gear changes. FleetPride is your First Click in Heavy Duty®.