GM 10 Bolt 8.6" Rear Axle Assembly 88-99 C1500 RWD, 3.73 Posi - USA Standard

8.5" GM C1500 Rear End Axle Assembly, 3.73 w/LSD (Positraction) (Opt GT4) fits model years 1988-99 RWD. Replacement rear axle assemblies from USA Standard come complete with all differential components in one part number for easy, bolt-on installation.