Mini Spool For GM 8.2 USA Standard GearMini spools are a low cost traction option for vehicles looking for full time lockup. Fits GM 8. 2 inch Provides 100 percent traction to both wheels at all times Installs into standard open carrier case 1 year warranty against Manufacturer defects Features and Benefits: Fits GM 8. 2 Inch Provides 100 percent traction to both wheels at all times Installs into standard open carrier case Details: AAP_UDA_4: 55 Fitment Notes: 8. 2 inch. 10 Bolt 28 Spline