Speedway Motors Buick 5.3 LS Parts

The GM LS engine is the hot powerplant these days. But is there too much of a good thing?

Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Concerned about a transmission swap? Our engine transmission compatibility checker will help confirm what you need to make it happen.

This new steel bellhousing from Speedway Motors is made for everyone who wants to run three pedals without spending a fortune or relying on a crusty original.

We love customer car stories! Check out Sam's LS-powered '55 Chevy...

Pat talks about some of the LS engine mounts Speedway Motors has to offer.

For those of us afflicted with the car bug, one of the greatest things we can hope for is a spouse or significant other that gets it and supports our obsession.

After being stored away for decades, Bob finally finished his big block powered '36 Chevy coupe...

In spite of a few setbacks, Bill fixed up his dad's '55 with a little help from his friends...