AntiLock Brake System ABS RetroFit Kits - H/D Truck

4S/2M Trailer ABS Replacement Kit for Tri-Axles Replaces AQ963000 1-4 Port FFABS Relay Valve w/ Spring Brake Priority, 1-2 Port ABS VRelay Valve PLCV Select 2M ABS ECU 12 Volt 1/2"& 3/4" Reservoir Nipple (1) 3/8" Control Port w/ Filter (4) 3/8" Delivery Ports (4) 3/8" Spring Brake Ports No Separate Spring Brake Control Necessary When Using FFABS. Manufactured to Meet or Exceed O.E.M. Specifications in Function, Form & Fit. Other Contents: (2) 2.5M and (2) 1.5M Sensor Extensions, (1) 2M Valve Cable, Hose Clips, Grip Cable, Warning Label