USA Standard 4340CM Axle Kit For 79-87 GM Truck & Blazer / GM 8.5in / 28 Spline w/Super Joints - ZA W24120

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" 28spl FRONT AXLE KIT, w/ Super-Joint, 79-87 1/2TON TRK & BLAZER (ASSM_REQ) Note: This axle’s diameter is larger than a stock 28 spline axle. Requires YC G26010481 case. Super Joints are high-maintenance items and not recommended for daily drivers.