Speedway Motors Studebaker E7 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 and the rolling chassis for their 1968 C10 Build in their booth (#22985) which is a nod back to their 70th Anniversary at the 2022 SEMA Show Nov. 1-4 in Las Vegas, Nev.

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.

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.

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

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.

Christopher Graviett and his brother have an impressive fleet of old cars, and the story of how they got there is a pretty great.

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.

Jason Martin fro EMi visits the Shock Technologies department of Speedway Motors, and sheds some light on just what happens when you send in your shocks for tuning.

See how to install 3" Ram Horn exhaust manifolds on a C/10 with a 406 engine. Learn some tips on welding steel tubing to a cast iron manifold and how they are modified to fit the truck.