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

How to Identify GM Transmissions | 700R4, TH350, 4L60, TH400, 4L80e, Powerglide, & More

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

Transmission Interchange List Chevy, Ford, Mopar V8 Compatibility

Looking to swap the venerable LS engine into your hot rod, muscle car, or classic truck? Take a look at our detailed identification guide for Gen III/IV LS engines before you hit the salvage yard or swap meet!

Gen III/IV LS Engine ID Guide

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

Transmission Replacement on a 55 Chevy

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.

Upgrading a 700R4 Transmission - 1967 Chevelle

Here's a handy guide to familiarize you with our G-Comp line of performance suspension systems.

G-Comp Buyer's Guide

Follow along as we install a Pete Jackson Noisy Gear Drive on a Chevy 454. Learn about the installation process from Speedway Motors Street Tech Kevin.

Installing a Pete Jackson Gear Drive On a Chevy 454

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

Historic Chevy Performance Engines

Product Master Jeff K. talks about the rebuild of his 1954 Chevy interior, breathing new life into the sedan.

1954 Chevy Interior Rebuild

This is the amazing story of a 1957 Corvette that was built by GM as a factory-backed race car and test mule for the experimental Rochester Ramjet fuel injection. It won its class at Nassau and Daytona, then disappeared into a Chicago garage for 47 years.

1957 Corvette Factory Race Car Survivor

Engine Family Facets

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Chevy Inline 6 2004R Parts

Chevy Inline 6 2004R Parts | Speedway Motors

Shop Chevy Inline 6 2004R Parts and get Free Shipping on orders over $175 at Speedway Motors, the Racing and Rodding Specialists. Chevy Inline 6 2004R Parts in-stock with same-day shipping.

Chevy Inline 6 2004R Parts

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Chevy-to-BOP GM Turbo-Hydramatic Transmission Adapter Plate

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