Tazer TranZformer Gen 1 Shift Kit

2006–2010 Dodge Charger, 2008–2014 Dodge Challenger NAG1 5-Speed

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Overview:

The Tazer TranZformer Gen 1 Shift Kit is a precision-engineered upgrade designed specifically for the NAG1 5-speed automatic transmission found in select Dodge Charger and Challenger models. Tailored for model years 2006 through 2010 for the Charger and 2008 through 2014 for the Challenger, this shift kit enhances transmission performance by improving shift quality, reducing shift times, and delivering a more responsive driving experience.

Ideal for enthusiasts seeking a firmer, more controlled shift feel without sacrificing drivability, the TranZformer Gen 1 Shift Kit optimizes the factory transmission’s hydraulic circuits and valve body operation. This results in quicker, crisper shifts that improve both daily driving and spirited performance.

Key Features:

Engineered to elevate the NAG1 5-speed transmission’s capabilities, the Tazer TranZformer Gen 1 Shift Kit offers the following benefits:

• Enhanced shift firmness and precision for a sportier driving experience
• Reduced shift times to improve throttle response and acceleration
• Optimized hydraulic circuits for smoother, more consistent gear changes
• Designed specifically for Dodge Charger (2006–2010) and Challenger (2008–2014) models with NAG1 5-speed transmissions
• Improves transmission durability by reducing slippage and heat buildup
• Maintains factory transmission reliability and compatibility
• Simple installation with no permanent modifications required
• Developed and tested by Tazer, a trusted name in transmission performance upgrades

Construction & Design:

The TranZformer Gen 1 Shift Kit is crafted from high-quality materials engineered to withstand the rigors of performance driving. The kit includes precision-machined components that integrate seamlessly with the NAG1 valve body, ensuring reliable operation and long-lasting durability. Tazer’s design focuses on improving hydraulic flow and pressure control within the transmission, resulting in sharper and more consistent shifts without compromising the factory transmission’s integrity.

Each component is manufactured to exacting standards, providing a perfect fit and finish that aligns with the demanding requirements of Dodge performance vehicles. The kit’s design also emphasizes ease of installation, allowing enthusiasts and professional technicians alike to upgrade their transmissions efficiently.

Installation & Fitment:

The Tazer TranZformer Gen 1 Shift Kit is a direct-fit upgrade for Dodge Charger models from 2006 to 2010 and Dodge Challenger models from 2008 to 2014 equipped with the NAG1 5-speed automatic transmission. Installation involves disassembling the transmission valve body to replace or modify specific components with those included in the kit.

While installation requires moderate mechanical skill and transmission knowledge, detailed instructions are provided to guide users through the process. No permanent modifications to the transmission are necessary, and the kit can be removed if desired. Professional installation is recommended for optimal results and to ensure proper function.

What's Included:

• Precision-machined valve body components
• Hydraulic circuit modifications
• Installation instructions and technical support

Ideal For:

This shift kit is perfect for Dodge Charger and Challenger owners who want to improve their vehicle’s transmission response and shift quality without extensive modifications. It suits daily drivers seeking enhanced drivability as well as enthusiasts who demand sharper shifts for spirited driving or occasional track use. The TranZformer Gen 1 Shift Kit offers a balanced upgrade that maintains factory reliability while delivering noticeable performance improvements.

Tazer is Z Automotive’s plug-in OBD2 performance electronics platform for select Dodge, Chrysler, Jeep, and other FCA vehicles, designed to unlock and customize vehicle features and behavior. Enthusiasts use Tazer modules to adjust settings, enable performance-oriented functions, and tailor the driving experience without permanent modifications, making it a popular tool for Mopar builds.