USA Standard 4340CM Axle Kit For 79-87 GM Truck & Blazer / GM 8.5in / 30 Spline w/Super Joints - ZA W24124

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. GM 8.5" 30spl FRONT AXLE KIT, w/ Super-Joint, 79&UP 1/2TON TRK & BLAZER (ASSM_REQ) Note: Super Joints are high-maintenance items and not recommended for daily driven vehicles.