Richmond Ring & Pinion Set - GM 12 Bolt - 3.42 Ratio - 141-12 Teeth 24-VER-N-135 This compact controller provides a

This compact controller provides a retard that automatically retards the timing during cranking to ease the pressure

Reverse idler gear and low speed gear are NOT engaged in direct drive

Racetrack Series

1999-2003 Ford F-550 Super Duty

Richmond Ring & Pinion Set - GM 12 Bolt - 3.42 Ratio - 141-12 Teeth 24-VER-N-135 This compact controller provides aRICHMOND 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.