8.2 Buick Pontiac 3.73 Ring & Pinion

The Motive Gear 8.2 Buick Pontiac 3.73 Ring and Pinion is a precision differential gear set designed specifically for fourth-generation Buick and Pontiac platforms that are equipped with 8.2-inch rear axles. This gear set is an excellent choice for those looking to enhance their vehicle's performance, whether for street use, racing, or restoration projects.

Manufactured to tight tolerances, the ring and pinion set is made from high-quality nodular iron and hardened steel, ensuring durability and efficiency. The 3.73 gear ratio strikes a balance between improved acceleration and reasonable engine RPM at highway speeds, making it a versatile upgrade for various driving conditions. Proper installation is crucial for optimal performance, requiring specific tools and techniques to set bearing preload accurately.

This gear set is particularly beneficial for owners of 1970–1987 Buick and Pontiac models that have 8.2 rear differentials, especially those upgrading to higher-displacement engines or modern fuel injection systems. With its focus on enhancing throttle response and overall driving experience, this ring and pinion set is a valuable modification for classic muscle car enthusiasts.