GM 8.5in Ring & Pinion 3.73 Ratio

The GM 8.5in Ring & Pinion 3.73 Ratio from Motive Gear is designed for automotive builders and enthusiasts aiming to enhance the rear axle performance in GM-platform vehicles. This ring and pinion set serves as a crucial component of the differential assembly, influencing the final drive ratio that affects engine RPM, acceleration, and overall driveline efficiency.

With a 3.73 gear ratio, this set offers a balanced approach to fuel economy and acceleration, making it suitable for daily drivers who want improved power without sacrificing highway efficiency. Motive Gear ensures that their precision-cut gears meet strict OEM tolerances, which helps achieve smooth operation, reduced noise, and a longer service life under load.

This upgrade is particularly beneficial for mechanics and DIY builders when paired with quality carrier bearings and fresh differential fluid, ensuring optimal performance. The compatibility with GM 8.5-inch 10-bolt and 12-bolt rear axles makes it a versatile choice for various models, including second-generation F-body Camaros and S10-based vehicles.