Speedmaster Ford 9" 35 Spline 3.70:1 Ratio Ring and Pinion Gears Set 8620

The Speedmaster Ford 9" 35 Spline 3.70:1 Ratio Ring and Pinion Gears Set is a precision differential gear assembly designed for Ford 9-inch rear axles. Built from 8620 steel, this ring and pinion set delivers the strength and durability required for high-performance or heavy-duty applications where reliable power transmission is essential. The 3.70:1 gear ratio provides a balance of acceleration and highway cruising, making it suitable for street performance builds and modified vehicles.

This 35-spline gear set is engineered for direct fitment on compatible Ford 9-inch differentials. The 8620 steel material ensures superior wear resistance and longevity under demanding driving conditions. Whether upgrading for improved acceleration, handling increased torque loads, or restoring a performance vehicle, this ring and pinion set offers a proven solution for enthusiasts seeking reliable differential gearing. Compatible with standard Ford 9-inch rear axle applications where 35-spline configuration is required.

Key Features & Benefits

• Ford 9" Compatibility: Direct fitment for Ford 9-inch rear axle differentials with 35-spline configuration.
• 3.70:1 Gear Ratio: Optimized ratio balances acceleration and cruising performance for street and performance applications.
• 8620 Steel Construction: High-strength steel material provides durability and wear resistance under load.
• Ring and Pinion Set: Complete differential gearing assembly ready for installation.

Specifications

Ideal Applications

• Street performance vehicles requiring improved acceleration
• Modified or custom Ford 9-inch rear axle builds
• Vehicles needing upgraded differential gearing for torque handling
• Restoration and hot rod projects using Ford 9-inch differentials