Muscle Car Limited Slip & Re-Gear Kit For GM 8.5 28 Spline 3.90 Ratio 8.5 Inch GM 3.90 Rear R&P Gear/ Install Kit Package With 28 Spline Posi & Ak 1563 Axle Bearings (2.25 Inch Od) Yukon Gear

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 8.5 differential 30 spline pinion gear 3.90 ratio Coverage includes 70 to 81 Firebird Trans Am, 70 to 77 GTO, 25 other models, or anything hot-rodded with a GM 8.5 diff Includes Dura Grip positraction LSD, 28 spline 10 bolt ring gear 2.25 inch OD bearings 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:

• 8.5 inch. GM
• Gear and Install Kit Package
• Includes 3.90 Ratio Gear Set, Master Install Kit, 28 Spline Dura Grip Limited Slip Carrier and 2.25 inch. O. D. Axle Bearings with Seals

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