Speedmaster Ford 9" 28 Spline 3.50:1 Ratio Ring and Pinion Gears Set 8620

The Speedmaster Ford 9" 28 Spline 3.50:1 Ratio Ring and Pinion Gears Set (PCE211.1002) is a precision-engineered differential gear set designed for Ford 9-inch rear axles. This ring and pinion combination delivers a 3.50:1 gear ratio and features 28-spline teeth machined from 8620 steel for durability and performance in street and racing applications.

Constructed from 8620 steel, this gear set provides the strength and wear resistance needed for high-torque and high-RPM driving conditions. The 28-spline interface ensures secure fitment and positive power transfer to the wheels. With a 3.50:1 ratio, this set offers a balance of acceleration and cruising efficiency, making it suitable for muscle cars, hot rods, and performance-oriented Ford vehicles equipped with 9-inch differentials. Whether upgrading stock internals or rebuilding a differential, this Speedmaster gear set delivers reliable performance.

Key Features & Benefits

• Ford 9" Fitment: Designed specifically for Ford 9-inch rear axle differentials.
• 3.50:1 Gear Ratio: Provides balanced acceleration and cruising characteristics for street and performance use.
• 28-Spline Teeth: Precision-machined 28-spline engagement for secure torque transfer and reliability.
• 8620 Steel Construction: Durable alloy steel material engineered for high-load and high-RPM applications.
• Ring and Pinion Set: Complete matched pair ready for differential installation and setup.

Specifications

Ideal Applications

• Ford muscle car and hot rod differential upgrades
• Performance vehicle rear axle rebuilds
• Street and strip racing applications
• Custom automotive drivetrain modifications