In a world where true quality is increasingly rare, Gearstar stands for the promise that there are still those devoted to the craft of well-made high-performance transmissisons.

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High-Performance Transmissions & Torque Converters,Custom-built for Optimum Precision

One Transmission, One Builder, From Start to Finish

Each and every transmission is custom built by one master technician.

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Dyno Testing

Every transmission and converter are dyno tested for the equivalent of 100 miles, to ensure they are operating perfectly before leaving our shop.

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Engineered to Perform & Hand-built in the Usa

All Gearstar transmissions and converters are built to the highest industry standards, using the highest quality US-made parts and components.

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Gearstar is Your #1 Source for High-Performance Transmissions and Torque Converters!

Welcome to Gearstar, where we specialize in crafting custom-built transmissions that set new standards in the automotive industry.

We firmly believe that when it comes to your vehicle, you should only settle for the best, and that’s precisely what we deliver.

Our Mission

At Gearstar, our mission is to provide the highest-quality custom-built transmissions. In a world where true quality is increasingly rare, Gearstar stands for the promise that there are still those devoted to the craft of well-made, high-performance transmissions.

Transmissions

We have high-performance transmissions available for:

Ford – AOD (Level 2, 3 and 4), AODE (Level 2, 3 and 4), C4 (Level 2, 3 and 4), C6 (Level 4), E4OD (Level 3), 4R70W (Level 2, 3 and 4) transmissions.

GM – Turbo TH350 (Level 2, 3 and 4), Turbo 400 TH400 (Levels 2, 3 and 4), 700-R4 (Level 1, 2, 3 and 4), 200-4R (Level 2, 3 and 4), 4L60E (Level 2, 3 and 4), 4L65E (Level 2, 3, 4), 4L65E C5C6 (Level 4), 4L70E (Level 4), 4L70E (Level 4), 4L80E (Level 2, 3 and 4), 4L85E (Level 4).

Mopar – NAG 1, 545RFE, TorqueFlite Chrysler 727 (Level 2 and 4)

Converters

We have torque converters available for:

GM – Turbo TH200-R, 4L60E, 4L65E, 4L70E, 4L80E, 4L85E, 700-R4;

Ford – 4R70 W, 4R75W, AODE; Chrysler 545RFE; CH350/400;

Mopar – NAG-1, and more.

Don’t forget to check out our YANK LT Power Adder, Pro Truck, Pro Thruster (PT), SS Series, and ZL1-2800 converters!

What Sets Us Apart: Our Master Technician Craftsmanship

What sets us apart is our dedication to having one master technician handle the entire build process from start to finish. Whether you drive a Ford, GM, or Mopar vehicle, we have the expertise and technology to create a transmission that suits your needs.

At Gearstar, we ensure that every transmission is a masterpiece that surpasses industry standards.

Our master technicians bring decades of experience and a passion for perfection to every transmission!

Our High-Performance Transmissions: Dyno-Tested And Warranted

Before our transmissions reach you, they are dyno-tested for the equivalent of 100 miles to ensure that they offer the best performance metrics.

All our performance transmissions, remanufactured transmissions are warranted against failure—due to workmanship and/or parts used in the remanufacturing process—for 3 years or 36,000 miles, whichever comes first from the date of shipment.

Witness The Gearstar Difference

At Gearstar, we’re not just here to sell you a transmission; we’re here to support you throughout your ownership experience. We take pride in building lasting relationships with our customers.

In a world where shortcuts and compromises are all too common, Gearstar is a name you can count on!

Gearstar is more than just transmissions; it’s a commitment to perfection, a dedication to craftsmanship, and a promise of unrivaled quality.

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