Richmond Ring & Pinion Set - GM 12 Bolt - 3.42 Ratio - 141-12 Teeth 24-VER-N-135 Reverse idler gear and low

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

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

A full High Pressure bottle can typically last 2-3 race days or track days of tire work depending on the application

1/8 in NPT Outlet

The weights are fabricated from very high quality hardened steel which are virtually maintenance free

Richmond Ring & Pinion Set - GM 12 Bolt - 3.42 Ratio - 141-12 Teeth 24-VER-N-135 Reverse idler gear and lowRICHMOND 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.