Proportioning Valve Kit: 64-85 GM Disc/Drum * SIDE MOUNT Comes in many handy BLACK

Comes in many handy BLACK colours

but outwardly difference is

1 x Fuel Feed O ring

Delivery from $25 to around $130 for one or two accross the country

Proportioning Valve Kit: 64-85 GM Disc/Drum * SIDE MOUNT Comes in many handy BLACKProportioning Valve Kit for GM USA disc brake front, with original or with the disc conversion upgrade this is the SIDE mount kit type. GM Kit for Disc Drum; For use with 3 8" Ports; Left Mount Brass Proportioning Valve, Steel Lines, Bracket and Proportioning Valve Plug. ALSO BUY A PVTOOL if you don't have one.. listed under "PVTOOL" This VERTICAL MOUNTED proportioning valve kit provides proper front to rear balance. We purposely have the # "PVTOOL"