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.
Fits GM 8.5” front differentialIncludes 19 spline, 9.94” outer axlesIncludes 28 spline, 19.15” inner LH axleIncludes 28 spline, 35.46” inner RH axleHeavy duty 4340 chromoly constructionIncludes 1310 Series u-joints