This kit dramatically improves traction and durability by adding a Yukon Dura Grip LSD and an upgraded ring and pinion set to your diff. Its also an opportunity to generate next-level acceleration by moving to a more aggressive gear ratio.

Features:

Fits GM 55P differential 17 spline pinion gear 4.11 ratio, thick 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 10 bolt ring gear Includes positraction unit, ring and pinion gear set, and all required bearings and installation hardware

Details:

• AAP Selling Package Quantity UOM: EA
• Aap uda 12: EA
• Aap uda 22: 1

Fitment Notes:

• GM 55P 8.4 inch. Rear
• Gear and Install Kit Package
• Includes Thick 4.11 Ratio Gear Set, Master Install Kit and 17 Spline Limited Slip Carrier