For over 80 years, the Double Diamond has signified Richmond the highest quality gears in the industry! Richmond broad selection of ring-and-pinion ratios, transmissions, and lightened gears are available for just about every vehicle made from the 1940s through and including new vehicles. 
 
Richmond Gear Performance products are engineered to endure extreme punishment in dedicated racing vehicles operating in the harshest environments. Throw your worst at our parts, Richmond® gear sets and transmissions can take it. Engineered to perform in under harsh race conditions, for decades our products have been essential to winners at both the Daytona 500 and the U.S. Nationals.
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All Richmond performance products meet strict quality standards through advanced manufacturing techniques and are backed by a strong warranty. In-house quality control lab utilizes state-of-the-art equipment to continuously check Richmond products for strength, tolerance, and hardness. Only after meeting stringent quality standards are Richmond products stamped with the Double Diamond seal of approval, ready for fast delivery to our customers.
 
Application notes:
Ford 7.5", 8.8"
30.125" Overall Length
5 x 4.5 Lug Pattern
28 Spline
Includes Bearing, Seal And Studs