Richmond Ring & Pinion Set - 4.11 Ratio, 37-9 Teeth, Ford 9" 12100908 MSD Pro Mag 12

MSD Pro Mag 12

The HANS Device Pro Ultra is SFI 38

Eliminates Soft and Sluggish Shifts

500 lb (700 kg) Pad Capacity

Richmond Ring & Pinion Set - 4.11 Ratio, 37-9 Teeth, Ford 9" 12100908 MSD Pro Mag 12RICHMOND 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.