AU-3359 Combination and Proportioning Valve Combination & Proportioning valve is a must when converting to power disc brakes. These valves have fluid metering, pressure failure indicator as well as pressure proportioning functions. Use when you are running Disc/Disc combo.
WARNING: This product can expose you to chemicals including nickel and urethane, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.