Richmond Ring & Pinion Set - GM 12 Bolt - 3.42 Ratio - 141-12 Teeth 24-VER-N-135 5mm - HEI Terminals -

5mm - HEI Terminals - Wires Below Header/Exhaust Manual - Includes Crab Style Cap (8541)

The same exhaustive research and comprehensive testing that goes into our industry-leading bellhousings is built into every drag shock

1966-1980 Oldsmobile 98

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

Racetrack Series

Richmond Ring & Pinion Set - GM 12 Bolt - 3.42 Ratio - 141-12 Teeth 24-VER-N-135 5mm - HEI Terminals -RICHMOND 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.