Motive Gear GM85456 Ring and Pinion Gear Set 4.56 Ratio GM 8.5/8.6

The Motive Gear GM85456 is a high-quality ring and pinion gear set designed for GM 8.5 and 8.6 inch rear differentials. This gear set features a 4.56:1 gear ratio, providing an excellent balance of acceleration and fuel economy for trucks, SUVs, and performance applications.

Key Features:

• 4.56:1 gear ratio for improved acceleration and towing performance
• Precision-manufactured from high-strength steel for durability and quiet operation
• Computer-controlled CNC machining ensures accurate gear tooth geometry
• Heat-treated for maximum strength and wear resistance
• Direct replacement for GM 8.5 inch (10-bolt) and 8.6 inch differentials
• Ideal for lifted vehicles with larger tires to restore proper drivetrain ratios

Motive Gear ring and pinion sets are manufactured to OE specifications and undergo rigorous quality control testing. Professional installation and proper setup with new bearings, seals, and gear oil is recommended for optimal performance and longevity. This gear set does not include installation hardware or bearings.