Proform Truck Transmission Parts

A new print and digital magazine about all things classic truck and more, brought to you by some familiar names.

Making great horsepower on a budget is the LS engine family’s claim to fame, but just like any other engine, the more power you ask of it the more you’ll need to spend

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.

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

Speedway Motors and Classic Trucks reached out to Performance Automatic for a 4L70E to help move the 1952 Chevy Week to Wicked build in honor of Speedway Motors' 65th anniversary.

Exlpoded View of the Bert 1300 Late Model Racing Transmission

This new steel bellhousing from Speedway Motors is made for everyone who wants to run three pedals without spending a fortune or relying on a crusty original.

Check out these tips on T-5 transmissions!