USA Standard 4340CM Axle Kit For 79-87 GM Truck & Blazer / GM 8.5in / 28 Spline w/Super Joints

USA Standard Gear performance axles are constructed from high-tensile strength 4340 chromoly, use superior manufacturing methods, and feature advanced heat-treating technologies to create an axle of unparalleled quality and durability.This Part Fits: Year Make Model Submodel 1987 Chevrolet Blazer Custom Deluxe 1987 Chevrolet Blazer Silverado 1979-1981 Chevrolet K10 Cheyenne 1981-1986 Chevrolet K10 Custom 1979-1980 Chevrolet K10 Custom Deluxe 1981 Chevrolet K10 Deluxe 1979-1986 Chevrolet K10 Scottsdale 1979-1986 Chevrolet K10 Silverado 1981-1986 Chevrolet K10 Suburban Custom 1979-1980 Chevrolet K10 Suburban Custom Deluxe 1981 Chevrolet K10 Suburban Deluxe 1979-1980,1982,1984-1986 Chevrolet K10 Suburban Scottsdale 1979-1980,1982-1983,1985-1986 Chevrolet K10 Suburban Silverado 1979-1981 Chevrolet K20 Cheyenne 1981-1986 Chevrolet K20 Custom 1979-1980 Chevrolet K20 Custom Deluxe 1981 Chevrolet K20 Deluxe 1979-1986 Chevrolet K20 Scottsdale 1979-1983,198