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.

700R4 Transmission Complete Guide | Diagrams, HP Ratings, FAQ

Learn how to install our new Muscle Car Shifters from Lokar.

Speedway Tech Talk - Lokar Muscle Car Shifter

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

Prepare your classic muscle car for autocross competition by exploring the best options, beginner tips, and essential suspension upgrades.

What is Autocross | Can I Autocross a Muscle Car?

Looking to update that '67-'72 C10 truck with an LS swap? These motors mounts and transmission crossmember kit will make that modern powerplant and transmission fit like they came that way from the factory!

C10 LS Swaps Made Easy with Motor Mount and Transmission Crossmember Kits

Electrical wiring is one of those tasks that enthusiasts dread tackling on their own. We're here to tell you that wiring your project vehicle is something you can do with a little help from your friends at Speedway Motors!

The Best Wiring Solution for Your Hot Rod or Muscle Car Project

We show you how to keep that old GM transmission when swapping in an LS engine. Our LS swap adapter kits make it easy!

How to Adapt LS Engine to 700R4 or Turbo 350 Transmissions

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!

How to Mount a Modified Race Car Body

Learn how to swap out an LS engine with a modern fuel injected engine into a hot rod for added horsepower, fuel economy, or throttle response. View a list of parts and helpful tips to complete the installation.

LS Swap Guide: GM 3 Speed / 4 Speed Parts List

Follow Tim as he swaps tail housings and covers on a T-5 transmission

Speedway Tech Talk - Swapping Tail Housings and Covers on a T-5 Transmission 

Engine Family Facets

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Muscle Car C4 Torque Converter Spacer Plates

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C4 Muscle & Classic Car Auto Trans Bands

C4 Muscle & Classic Car Auto Trans Bands | Speedway Motors

Shop C4 Muscle & Classic Car Auto Trans Bands and get Free Shipping on orders over $175 at Speedway Motors.

C4 Muscle & Classic Car Auto Trans Bands

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TCI 525600 Intermediate Kevlar Band for C4

TCI 525505 Reverse Kevlar Band for C4

TCI 525500 Intermediate Stock Width Band for C4

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