The components in this leaf spring axle U-bolt kit are designed to securely hold the leaf spring or leaf spring bundle to the underside of an axle of a vehicle or trailer. Check the leaf spring dimensions and other relevant application details to select the right type and size U-bolt kit for your needs. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet C10 Pickup: 1969, 1970, 1971, 1972] - [Chevrolet C20 Pickup: 1969, 1970, 1971, 1972] - [GMC C15/C1500 Pickup: 1969, 1970, 1971, 1972] - [GMC C25/C2500 Pickup: 1969, 1970, 1971, 1972]