Saginaw 4-Speed Truck 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.

Old trucks are just meant to have manual transmissions. They're made even better with a modern overdrive like a Tremec TKX. Watch our C10 manual transmission conversion on an LS-swapped '68 to see just how easy it is to row your own gears,

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

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

Don't forget to change the oil in your tow rig! Lucas Oil has you covered with CK-4 Diesel Motor Oil. Learn more...

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

In this Tech Tip, John answers a customer concerns about adding additional drop to his 1960-1972 Chevy truck.

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.

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