Speedway Motors C/K Series GM 8.5 Inch 10-Bolt Parts

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

Speedway Motors announced today they will debut new products along with their C10 build in their booth (#22891) at the 2023 SEMA Show Oct. 31-Nov. 3 in Las Vegas, Nev.

Speedway Motors, a manufacturer, retailer, and distributor of high-quality automotive parts and racing products, will introduce a number of new products in their booth (#23791) at the 2025 SEMA Show Nov. 4-7 in Las Vegas, Nev.

How to plan and execute a LS swap into any 1973-1987 Chevy/GMC K10 pickup truck.

While everyone is looking for a 6.0 LS, don’t count out the original 5.7 LS1 engine for your next LS swap performance build

In this episode of our '68 C10 project, we hit a couple big milestones. The engine goes in and we hit our first car show. It may be just a rolling chassis, but we're mighty proud of how far we've come.

If you're ready to swap an LS engine into you '73-'87 Squarebody Chevy or GMC truck, here's a guide to get you started and a parts list to help you get everything you need for your swap.

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

It's alive! Our 1968 C10 truck project is one step closer to our first drive. In this episode, our old truck finally comes to life with a cammed junkyard LS.

Speedway Motors celebrates more than 10 years of testing G-Comp Suspension with Team Speedway winning their first two events of the 2025 season.