Richmond Ring and Pinion - 3.73 Ratio - 27 Spline Pinion - 3 Series - 7.5 in / 7.625 in - GM 10-Bolt H775CA3 Our dry filter is proven

Our dry filter is proven to retain its shape under high airflow

Provides the lubricating qualities of castors

390 to 850 CFM

when you can install the quality you know and trust with KYB

5-3/8 in Long

Richmond Ring and Pinion - 3.73 Ratio - 27 Spline Pinion - 3 Series - 7.5 in / 7.625 in - GM 10-Bolt H775CA3 Our dry filter is provenRICHMOND 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! Richmond Gear is famed for their tough and reliable ring and pinion sets. That same level of reliability and precision is available in their other driveline products, including differentials, racing Transmissions, driveshaft components, and more.