Yukon Gear YGK2370 Rear Diff Ring/Pinion Re-Gear Kit GM 55P 17SPL 3.55

Kit contains a ring and pinion set, positraction unit, and installation parts Fits GM 55P differential 17 spline pinion gear 3.55 ratio Includes Dura Grip positraction LSD, 17 spline Coverage includes ’56 to ’62 Corvette, ’55 to ’64 Bel Air, 5 other models, or anything hot-rodded with a GM 55P ’55 to ’64 passenger car diff