GMC Transmode 4L85E Chassis and Suspension Parts

Learn about the steps and tools necessary for a smooth chassis assembly for your sprint car.

This article guides you through the process of repairing and painting a subframe for a 1967 Poncho Firebird. See how the front suspension gets an overhaul including new G-comp spindles and a disc brake kit.

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

In this Tech Tip, John answers a customer question about what would be needed to swap some additional power in place of his anemic 233c.i. Ford.

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

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.

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

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!