USA Standard Ring & Pinion Gear Set For GM 12 Bolt Car in a 3.73 Ratio

If you're working on a classic GM vehicle with a 12-bolt rear end and looking to change your gear ratio, this USA Standard Ring & Pinion Gear Set from Yukon Gear & Axle is a solid option. It's built with a 3.73 ratio, which is a popular choice for a good balance between acceleration and highway cruising, especially for cars that see a mix of driving. This set is designed to meet or exceed original equipment specifications, meaning you can expect it to perform reliably in your build.

Yukon Gear & Axle puts these sets through rigorous quality checks, covering dimensions, materials, and fitment. This attention to detail helps ensure that when you install this ring and pinion set, it's going to work as intended. The 3.73 ratio is a common upgrade for many muscle cars and classic trucks, offering improved off-the-line response compared to taller gears, while still keeping engine RPMs at a reasonable level on the highway.

This gear set fits a wide range of GM 12-bolt car applications, including popular models like the Chevrolet Impala, Chevrolet Chevelle, and Pontiac Firebird from the mid-60s through the early 70s. Proper installation is key for any ring and pinion set, so be sure to follow the manufacturer's instructions carefully and consider using a pattern checking kit to ensure the gears mesh correctly.