GM 10 Bolt 8.6" Rear Axle Assembly 88-99 C1500 RWD, 4.10 Posi - USA Standard

8.5" GM C1500 Rear End Axle Assembly, 4.10 gear ratio. Standard Open Differential (Opt GT5) RWD, fits model years 1988-97. Replacement rear axle assemblies from USA Standard come complete with all differential components in one part number for easy, bolt-on installation.