GM B-Body Auto Trans Kick Downs

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

Speedway Motors employee Pat O. is back to talk Ford Automatic OverDrive Kickdown brackets and kits.

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

There are a lot of choices when it comes to automatic shifters, and we’ll help unpack all the options and features in our automatic shifter buyer’s guide

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

Learn a few tips on how to properly mount Modified bodies and some products that will help get your race car body fabrication job done!

Learn about or re-live the story of Jim Matthews. He touched many lives in the racing world before he died doing what he loved--racing.

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

Understand GM’s AFM system—how it operates, it’s pros and cons, common lifter failures, and your options for tuning, disabling, or full AFM delete.

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.