2004R Truck Transmission Parts

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

The 700R4 is a great choice when it's time to upgrade your classic car or truck with an overdrive transmission. Here's what you need to know about GM's famous 4-speed automatic.

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

A new print and digital magazine about all things classic truck and more, brought to you by some familiar names.

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

In this Tech Tip, John answers a customer concerns about adding additional drop to his 1960-1972 Chevy truck.

Product guru Jeff K. takes us along as he updates the suspension on his 1946 Ford Sedan Delivery with a set of fresh Mustang II coilovers following an unfortunate incident with a pothole.

There are several aspects of a properly relocated battery installation. Our guide will help you ensure that your relocation goes smoothly.

Speedway product guru Jeff K. wants to introduce you to another of his projects, "Elmer". There's a long history with Jeff and this vehicle, best told by Jeff himself.

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.