Chevy Silverado 2500 HD Classic 4L80E Parts

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

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

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

John Vecchio is a lifelong '55 guy, and his new convertible hides some modern technology under the timeless sheetmetal.

Learn the differences between Chevy 2-bolt and 4-bolt main blocks, how to ID them, key years, and whether a 4-bolt is worth it for your build

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

Not only is Greg Turner's '56 a great driver, it's full of great family memories. Built in the home garage by Greg and his sons, this clean Chevy has covered a lot of miles.

A real-world guide to 4L60 transmission specs, strength, and swap tips.

Check out a gallery of our favorite Chevys and other GM cars and trucks from the 2022 SEMA show!

Jason Ankerson's 1965 Chevy C10 began its life as his high school beater. Over a decade of transformations, his first-gen C10 has become a modern reliable cruiser.