Rebuilds & Upgrades
4L80E Direct Drum in Performance Rebuilds
In the hierarchy of critical components inside a 4L80E, the direct drum rarely gets the attention it deserves. Builders often focus on shafts,...
What Is a Billet Direct Drum? Strength, Design, and Why It Matters
If there were a popularity contest in the world of transmission components, the direct drum might not even get an invite. Most people don’t know it...
Valve Body Basics: What Does a Valve Body Do in a Transmission?
So, what does a valve body do in a transmission? It directs pressurized fluid to the right clutches and bands at the right moment. The transmission valve...
Unlock Peak Performance With Transmission Upgrade Parts
When building a high-performance vehicle, every component needs to keep up with your engine’s power, and that starts with your transmission. Stock units...
HGM CompuShift CSII Controller
COMPUSHIFT II is the latest generation transmission control system from HGM Automotive Electronics, Inc. COMPUSHIFT II operates automatic shifting, paddle...
6 Long-Term Benefits of a Rebuilt Transmission
Is your vehicle transmission giving you a headache, and you're already contemplating replacing it with a brand-new one? Replacing a faulty vehicle...