The Wabco ABS Relay Valve/Modulator Package is designed for use in ABS braking systems. This package is made using durable material and is compatible with a wide range of vehicles. It is designed to provide reliable and efficient braking performance. The package includes a relay valve and a modulator valve, both of which are essential components of an ABS braking system. This package is easy to install and provides superior braking performance. FleetPride is your First Click in Heavy Duty®.