Properly functioning leaf springs hold the weight and payload of a vehicle or trailer and are essential to suspension performance and passenger comfort. Check the product attributes to select the right leaf spring for your application. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Chevrolet C30: 1981, 1982, 1983, 1984, 1985, 1986] - [Chevrolet K30: 1981, 1982, 1983, 1984, 1985, 1986] - [Chevrolet R30: 1987, 1988] - [Chevrolet R3500: 1989, 1990, 1991] - [Chevrolet V30: 1987, 1988] - [Chevrolet V3500: 1989, 1990, 1991] - [GMC C3500: 1981, 1982, 1983, 1984, 1985, 1986] - [GMC K3500: 1981, 1982, 1983, 1984, 1985, 1986] - [GMC R3500: 1987, 1988, 1989, 1990, 1991] - [GMC V3500: 1987, 1988, 1989, 1990, 1991].