This flat U bolt kit fits Mack leaf spring hangers and is sold as a pack of 2 complete kits, each. Every kit includes one flat U bolt and two nuts, providing the hardware needed to clamp the spring assembly to the axle housing and keep it from shifting under load. The kit is supplied as full replacement hardware rather than individual pieces.Interchanges:251654947QK3151P237QK3151P6Mack 25167041This unit is sold in packs of 2.FeaturesSold as a pack of 2 complete U bolt kitsEach kit includes 1 flat U bolt and 2 nuts (HNU-5836)Suspension leaf spring hanger componentTech SpecsKit contents: 1 flat U bolt (FUB-5049-001) and 2 nuts (HNU-5836)Sell pack: 2 kits