B&M Chevy Express 2500 700R4 Parts

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

Follow along as Jeff installs an early 700R4 transmission for the big block in his 1967 Chevelle. See how this unit is upgraded and converted to a later 30 spline style.

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!

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

Learn the differences between Chevy 2-bolt and 4-bolt main blocks, how to ID them, key years, and whether a 4-bolt is worth it for your build

Scott's "Nemesis" '55 is a time machine that transports everyone around it back to the glory days of drag racing.

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

It's not every day that you see a wild, IMSA inspired, 550 horsepower Vega. Byron Burnham went way outside the box with this one, and we love it.

Shortcuts don't always pay off. Zach Raddatz walk us through his experience with a cheap radiator so we don't make the same mistake!