How to Identify the GM 10-Bolt?

Answer General Motors (GM) used its 10-bolt axle in thousands of vehicles built over the decades. It comes in two different variations, depending on the measurement of the ring gears. These rear ends are ... Read More »

Top Q&A For: How to Identify the GM 10-Bolt

How to Identify 12 Bolt GMs?

The GM 12-bolt differential was used on Chevrolet vehicles from 1965 through 1972, although Sport maintains a slightly different 12-bolt unit continued to be used on K10, K20 and Blazer m... Read More »

How to Identify Nut & Bolt Types?

Nuts and bolts come in a variety of types, and each one is designed for a specific purpose. Each nut and bolt is different because of the type, diameter, pitch -- or thread count -- and length. Onc... Read More »

How to Identify a Chevy 10 Bolt?

The GM 10-bolt differential was featured in both truck and passenger vehicle applications. Chevrolet 1/2 ton, 3/4 ton and 1977 through 1991 Blazer sport utility vehicles utilized the GM 10-bolt dif... Read More »

How to Identify a 10-Bolt, 8.5-inch Posi Rear End?

When it comes to getting power to the pavement, GM's 10-bolt, 8.5-inch rear end with Positraction is a hero. Like Superman in street clothes, however, it can be hard to identify this beefy unit am... Read More »