2004 Chevy Trailblazer Engine Parts

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

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

Derek kicks off his 55 Chevy rebuild with a fresh small block.

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!

Speedway Motors Product Manager Jeff K. talks about how to really make your engine bay stand out from the crowd with just a little patience, and some Speedway products.

In honor of NASCAR's 75th anniversary, we're taking a look at a few remarkable engines that have powered our favorite racers to victory through the years.

At long last, Project Chevelle gets a muscle car heart transplant in the form of a 383 from BluePrint Engines.

Follow along as we install a Pete Jackson Noisy Gear Drive on a Chevy 454. Learn about the installation process from Speedway Motors Street Tech Kevin.

The 454 big block Chevy is still a popular build option for when there is no replacement for displacement!

Engine Cylinder Numbers