GM 8.875 Inch 12-Bolt Car, Racing Parts

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

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

This article demonstrates how to install a complete Winters quick change kit with additional parts including birdcages, brackets, and calipers for a modified race car.

Explore dirt stock car racing’s key terms, classes, rules, parts, and tips for success in this ultimate guide for new competitors.

Learn how to ID a Ford 8.8 rear end by tag, width, and code. Compare 8.8 vs 9-inch axles, decode gear ratios, and find which Ford models used them.

Why the budget-friendly Hobby Stock class is grassroots motorsports at its finest, and perfect for first-time dirt track racers.

All you need to know about racing a 602 GM crate engine and the necessary parts to make a race ready engine.

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.

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

Steve replaces the factory GM 8.5" 10-bolt rear end on his '76 Chevrolet Laguna S3 with a GM 10 & 12 bolt bolt-on rear disc brake kit.