GMC 4L80E Adapters and Mounts

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

How to plan and execute a LS swap into any 1973-1987 Chevy/GMC K10 pickup truck.

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

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.

Follow this step by step guide on how to install adjustable LS motor mounts to set your engine location exactly where you want it.

Follow this guide on installing a Speedway Motors Billet LS Alternator Bracket. If you’re looking for a simple solution that looks good while solving positioning issues from factory brackets, then these brackets are for you.