Buy Custom Built Premium Performance Transmissions - GearStar

The Ultimate, Or Nothing.

Heart pounding performance. 20+ years and counting. Welcome to the new Gearstar Performance.

Trusted By The Best.

Strap yourself in. Gearstar's precision, unrivaled craftsmanship takes your ride to the max level.

Legends Never Die.

Strap yourself in. Gearstar's precision, unrivaled craftsmanship takes your ride to the max level.

Zero Compromises.

Every transmission, every detail, everytime. Gearstar is engineering excellence.

Absolute Craftsmanship.

Strap yourself in. Gearstar's precision, unrivaled craftsmanship takes your ride to max level.

World-Class High Performance Automatic Transmissions

Nag1 Transmission

Nag1 Transmission


If you are thinking about rebuilding your current vehicle, such as a late model Charger or possibly you are thinking of restoring and older model of a Jeep Grand Cherokee, you will want to install only the finest made parts and accessories to ensure the long term endurance and high performance that you are hoping to achieve. When it comes to your chosen type of transmission, you can never go wrong by selecting the high performance NAG1 transmission for this type of vehicle that you are working on. This automatic transmission with its electronic control offers specific advantages such as lower maintenance costs, improved shift comfort, increased service life and reliability, and less fuel consumption. Gearstar Performance Transmissions has been proficiently building a better performance transmission for over the last twenty years, and building long lasting relationships with all of our valued clients.

About Us

Gearstar Performance Transmissions is known as the top rated high performance transmission manufacturer throughout the entire region, by taking the necessary steps to ensure that every single one of our transmissions are built with the highest quality of workmanship and with the pride that we would take if we were working on our own vehicles. Besides stating the obvious reasons why this high performance transmission is one of the finest ones ever made, when you choose this particular one, built by Gearstar, it can significantly increase the value of your vehicle, whether you are looking to sell it or hang on to it. When we say that we never shelf a transmission, we say that literally because we never begin the work on any transmission until you tell us exactly what you are looking for.

The NAG1 high performance transmission is named for a family of transmissions that are identified as New Automatic Gearbox, generation 1, but there are other names that are associated with this specific transmission, depending on the variation being used in a specific vehicle. Other familiar marketing names are the W5A300, the W5A380 and the W5A580 which can be interpreted as the W meaning a transmission using a hydraulic torque converter, the 5 means 5 forward gears, the A is for an automatic transmission and the last 3 numbers equal the maximum input torque capacity as measured in Newton meters. Electronic transmission control allows precise compliance of pressures to the corresponding operating conditions and to the engine output during the shift phase, resulting in significant improvement in shift quality.

Our Contact Information

When you demand the best custom built high performance transmission for your extraordinary vehicle, Gearstar Performance Transmissions would like to invite you to visit our web site at gearstar.com, and find out some additional details regarding the highest quality of craftsmanship that we put into all of our custom built transmissions. All of our products are accompanied with pictures and upfront pricing located next to each one, for your convenience. You can also simply call us at 800.633.2353 and speak with one of our knowledgeable and courteous team members for further information.

 

Nag1 Transmission
Gearstar Performance Transmissions
330-434-5216
132 N. Howard St. ; Akron, OH 44308

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