GMC K15/K1500 Pickup LS Chevy 4L65E 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.

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.

In this Tech Tip, John offers up a couple solutions to a customer wanting the best electric option to fuel his project.

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

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.