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GMC C25

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C25

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GMC C25

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Transmission

Subcategory

Shifters and Control Modules

Transmission Family

700R4

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Related Articles

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

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

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

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

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

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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.

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

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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 Install Side Detent Shifter for GM TH200, TH250, TH350, and TH400

How to Install Side Detent Shifter for GM TH200, TH250, TH350, and TH400

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Learn how to install a side detent shifter in a 1969 Chevy C10.

LS7 Lifter Swap Guide

LS7 Lifter Swap Guide

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After installing a new cam in a LQ4 6.0 motor, it is now time to swap the lifters. Follow this step by step guide on how to prep and install LS7 roller lifters.

Chamber Muffler Swap Guide

Chamber Muffler Swap Guide

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An overview on swapping turbo mufflers for chamber mufflers on a 1969 C/10 pickup. See how to extend the muffler length using exhaust pipe.

Approved Upgrades for the GM Crate 602/604

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