The Meritor Wabco R950127-ST Anti Lock Brake Modulator Valve Kit is a high-quality product designed for use in heavy equipment vehicles such as Peterbilt, Volvo, Freightliner, Mack, and Kenworth. This kit includes essential components to ensure proper functionality of the anti-lock braking system, providing safety and reliability on the road. With the trusted Meritor Wabco brand behind it, this valve kit is a valuable addition to any heavy equipment maintenance and repair operation.