Richmond Ring & Pinion Set - 3.73 Ratio, 41-11 Teeth, GM 10 Bolt (70-94) 60-010 FIA-approved for competition

FIA-approved for competition

include specially selected mufflers and all necessary parts and hardware for easy installation

Engine Control Module (ECM)

1980-1986 Pontiac Bonneville

Richmond Ring & Pinion Set - 3.73 Ratio, 41-11 Teeth, GM 10 Bolt (70-94) 60-010 FIA-approved for competitionRICHMOND 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! GM 10 Bolt "New Style" Installation Notes: When replacing a stock 2. 56 and numerically lower, the carrier must be replaced with a carrier of 2. 73 or higher. Richmond Gear is famed for their tough and reliable ring and pinion sets. That same level of