2004 Chevy Blazer Engine Parts

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!

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.

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.

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

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

Product Master Jeff K. talks about the rebuild of his 1954 Chevy interior, breathing new life into the sedan.

Engine Cylinder Numbers

Once you're ready to start selecting valve train components, we have some useful tips and tools that should boost your performance. We discuss proper valve-springs, pushrod length, and rocker arm ratios.