Dodge 904 Automatic Transmission Parts

Determining the correct flexplate for your V8 Mopar-powered project takes a little understanding of how these engines were balanced. Our Mopar flexplate buyer’s guide will help.

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

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.

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

Tim M. continues his quest to breathe life into a tired old 241 Dodge baby Hemi. This round, Tim dives into giving the 241 an electrifying makeover, courtesy of a Pertonix electronic ignition system, all cleverly hidden inside existing hardware.

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 along as our expert goes through his process for replacing the steel wire covers on his 1954 Dodge 241 with a set of Offenhauser Finned Wire Covers.

Lucas P. explains how to choose the correct part for a Ford 9" third member build in order to achieve a bulletproof rear. You will find specific recommended parts to use from Speedway Motors.

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