X-Frame GM B-Body 6L90E Parts

Need a little help Identifying GM Body Styles 1964-1972? Click Here!

Learn about the power behind the G-body platform and the steps to upgrade a 7.5" bolt rear end to a 8.5" to withstand high horsepower. See how to change the differential fluid and install new gaskets.

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

All you need to know about racing a 602 GM crate engine and the necessary parts to make a race ready engine.