Richmond Ring & Pinion Set - 4.10 Ratio, 41-10 Teeth, GM 10 Bolt (70-94) 12200 Other features include all aluminum

Other features include all aluminum construction

1971 Mercury Cougar Base CID 351 Naturally Aspirated GAS

Building a custom chassis or suspension components

Our sockets also have the unique feature of a provision to hold our degree wheels or any wheel with a 1" or larger center hole

Fits Crew Cab/Short Bed and Double Cab/Standard Bed Trucks with 143

Richmond Ring & Pinion Set - 4.10 Ratio, 41-10 Teeth, GM 10 Bolt (70-94) 12200 Other features include all aluminumRICHMOND 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