+3 10lb Residual Check Valves WB-110 $28.00 In stock Quantity: 1 Add to Bag Product Details 10lb Residual Check Valves Used with drum brakes to stop fluid from draining back to the master cylinder. These valves have 1/8"npt thread and include adapters for 3/8" inverted flare hard line. Two check valves are required on a car or truck; one front and one rear. Save this product for later Favorite
