Chrome GM Disc/Disc Proportioning Valve for 1/2-20, 9/16-18 Outlets, Side Mount

GM Proportioning Valve Kit Disc Front Disc Rear Mounting Bracket Lines PV4. This combination proportioning valve is for Disc/Disc applications. and includes two hard lines that connect the master cylinder (with 1/2" & 9/16" ports) to the proportioning valve.