REPLACEMENT FOR AC18020180 FRONT A/O AC10420482 REAR Brake Proportioning Valve

REPLACING FRONT AC18020180 (NOT AC DELCO). REPLACING REAR AC10420482 (NOT AC DELCO). FOR AC18020180 Front Brake Proportioning Valve. REPLACING: AC18020180 Front Brake Proportioning Valve. Racing Adjustable Brake Proportioning Bias Valve Knob Style Disc Drum 1/8 NPT.