AC 427 904 Transmission Parts

Learn about how aftermarket transmission coolers can help keep your transmission cool and the different options available for cooling with our expert guide.

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.

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

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

Leave all the head scratching to us, as we have your manual transmission bellhousing solution for your LS swap all figured out already

Check out these tips on T-5 transmissions!

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

Learn how to install an external Transmission Cooler, to help keep the temperature of your transmission consistent.

Exlpoded View of the Bert 1300 Late Model Racing Transmission

Jeff K. talks about the keeping his cool in his '46 Sedan Delivery, with a little help from insulation and damping material.