Lever Adjustable Inline Hydraulic Proportioning Valve.

Lever Adjustable Inline Hydraulic Proportioning Valve. This product, plumbed in the line to the rear brakes, will enable proportional pressure application to the rear brakes. Use in rally cars, race cars and drift cars for precise front to rear balance. Also where retro fitting rear disc brakes to road vehicles requires this unit to restore correct front to rear balance.