GMC C25 Saginaw 4-Speed Transmission Parts

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

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

This old sedan was untouchable in the early 60's.

Speedway product guru Jeff K. wants to introduce you to another of his projects, "Elmer". There's a long history with Jeff and this vehicle, best told by Jeff himself.

For this special anniversary episode we celebrate 70 years of Speedway Motors with Carson, Craig, and Clay Smith. As the sons of "Speedy" Bill and Joyce Smith, they were there for it all as the business and the family grew up together.

Steve takes us along as he centers the 525 manual steering gear he is using for his Laguna.

Speedway Motors, a manufacturer, retailer and distributor of high-quality automotive parts and racing products, announced four recent promotions within the company.