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 G10 Van: 1972, 1973, 1974] - [Chevrolet G10: 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991] - [Chevrolet G20 Van: 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974] - [Chevrolet G20: 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991] - [GMC G15/G1500 Van: 1971, 1972, 1973, 1974] - [GMC G15: 1975, 1976, 1977, 1978] - [GMC G1500: 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991] - [GMC G25/G2500 Van: 1972, 1973, 1974] - [GMC G25: 1975, 1976, 1977, 1978] - [GMC G2500: 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991].