Stock Car Differential Carriers

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

Comparing open diff vs limited slip vs locker differentials. Learn how each works, pros and cons, and which is best for your build.

Learn what gear oils do for your differential and how to choose the best gear lubricant for your application's needs

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

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

Take your crate motor racing to the next level with these tricks and tips that won't get you in hot water with tech officials!

Need help with rear end identification for your muscle car or hot rod? Learn how to identify 9-inch Ford housings and how to measure your axles with our diagrams.

This resource contains a transmission pan shape ID chart and other tips to help with identifying GM transmissions.

Need holiday ideas for the gearhead in your life? This handy guide will steer you in the right direction.

A complete redesign for Hoosier's rear dirt sprint car tires has come after nearly 25 years. Learn about the changes and how they affect your sprint car setup.