Richmond Gear 79-1389-1 3.89 Ratio Ring and Pinion for a Rear Ford 10 (Aftermarket) Differential

RICHMOND is the leading manufacturer of professional quality, hi-performance ring and pinion sets. For over 80 years, the Double Diamond has signified the highest quality gears in the racing industry! The superior quality of Richmond Performance Products is a result of continual research and development, outstanding design and state-of-the-art manufacturing. Extensive testing is performed on all Richmond products. Engineered to perform faster and more reliable, our products are winners both at the Daytona 500 and U.S. Nationals for decades!

• PERFECT FIT: Gear Ratio: 3.89 **Verify part specifications before purchasing**
• UNLEASH YOUR POWER: Richmond Gear Ring and Pinion sets are designed to withstand the harshest conditions, providing your differential with the strength and reliability it needs to conquer the road, track, or trail.
• UNMATCHED PERFORMANCE: Whether you’re tearing up the streets, tackling off-road challenges, or shattering records at the track, Richmond Gear ring and pinion sets provide the high performance and quality that dedicated enthusiasts expect.
• INNOVATIVE DESIGN: Richmond Gears employs the latest designs and manufacturing technologies to produce gears that operate quietly, capable of withstanding extreme horsepower applications. This makes installation easy, allowing you to spend less time in the garage and more time on the road.
• DURABILILTY GUARANTEED: Each Richmond Gear ring and pinion set includes a two (2) year warranty giving you the confidence that your hot rod is ready to hit the road.