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

• Includes 28 spline, 19.15” inner LH axle
• Includes 28 spline, 35.46” inner RH axle
• Includes 19 spline, 9.94” outer axles
• Heavy duty 4340 chromoly construction
• Fits GM 8.5” front differential
• Includes 1310 Series u-joints