OEM Ring & Pinion set for GM 8.5" & 8.6" in a 3.23 ratio.

Original Factory gear for GM 8.5" (with ABS band) in a 3.23 ratio. Two-step - face to flank set-up only. OEM gears are recommended for quiet applications where noise may be an issue. Factory gears are the quietest application available on the market and often come at a higher cost. Factory gears come with a one year warranty against defects. This gear set does have an ABS provision on the pinion.