GM’s 10-bolt rear axle has been around since the 1960s, here’s how to determine if your junkyard find is worth taking home

GM 10-Bolt Identification and Upgrades | 7.625, 7.5, 8.2, 8.5, 8.6

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

GM 12-Bolt Rear End Identification & Upgrade Guide

Learn how to measure pinion depth with a ring and pinion setup tool. Follow as our tech Zach rebuilds a rear differential with the help of a pinion depth tool.

Measuring Pinion Depth Using a Setup Tool

Read up on GM 10 bolt ring and pinion installation instructions. Follow along as our employee Zach installs a GM 10 bolt rebuild kit from Motive Gear.

GM 10 Bolt Rebuild Instructions

Steve provides a step-by-step guide to install the Speedway Motors GM 10-Bolt Polished Finned Aluminum Rear End Cover.

GM 10-Bolt Polished Finned Aluminum Rear End Cover Installation Guide

In this Tech Talk episode, we detail the install of a C10 G-Comp Rear Suspension kit. This kit uses truck arms like the original, but adds coilovers and plenty of adjustment options.

Truck Arm Suspension Design: 67-72 C10 Suspension Upgrades

Here's how we got rid of the gas tank behind the seat using one of our 67-72 C10 under bed fuel tanks and completed the C10 LS swap fuel system in our '68 C10 project.

67-72 C10 LS Swap Fuel System: Under Bed Gas Tank Relocation	

Like many, we found ourselves with a rusty C10 project. Watch as we show how to tackle common 67-72 C10 rust repair, including floor pan replacement, rocker panel replacement, and cab corner repair.

67-72 C10 Rust Repair: Cab Floor & Rocker Panel Replacement	

Piston rings may not be the most exciting part of an engine build, but knowing how to clock piston rings and how to install rings on a piston is critical to your engine performing properly.

Piston Ring Install Guide: Clocking and Gap Orientation

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

Replacing a G-Body 7.5" Bolt Rear End

Engine Family Facets

707063f6-5cf0-44d1-8e1f-49059e48addf

3fe4cfeb-d42e-4b60-a312-2940d324f962

67-72 F-Series GM 8.625 Inch 10-Bolt Ring and Pinion Setup Tools

67-72 F-Series GM 8.625 Inch 10-Bolt Ring and Pinion Setup Tools | Speedway Motors

Shop 67-72 F-Series GM 8.625 Inch 10-Bolt Ring and Pinion Setup Tools and get Free Shipping on orders over $175 at Speedway Motors.

67-72 F-Series GM 8.625 Inch 10-Bolt Ring and Pinion Setup Tools

Brand

Availability

Platform

Price

Customer Rating

Products

Speedway Professional Rear End Ring & Pinion Axle Setup Tool Set