AUTOMATIC TRANSMISSION NAG1 - SERVICE INFORMATION DESCRIPTION The NAG1 automatic transmission is an electronically controlled 5-speed transmission with a lock-up clutch in the torque converter. The ratios for the gear stages are obtained by 3 planetary gear sets. Fifth gear is designed as an overdrive with a high-speed ratio. NAG1 Automatic Transmission. GEARSTAR is a leading provider of automatic high-performance transmissions and torque converters in Ohio. Place your order online or by phone 330-434-5216.
- Nag1 Transmission
- Nag1 Transmission Controller
- Nag1 Transmission Upgrade Rebuild Kit
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BST Transmission NAG1 Upgrade -
For any Challenger, Charger, Wrangler, or 300c previously equipped with the NAG1 5sp automatic transmission, being built to over 550RWHP. The BST upgraded NAG1 replaces the clutch plates and key components to deliver great performance and last much longer than the stock NAG1 -- even up to 1000HP of engine power.
An $850 core charge applies if you are not trading in an existing NAG1 transmission.
The Chrysler NAG1 transmission holds up well when adding 100HP to your car, but when adding 200-300HP, it tends to lose effectiveness and start slipping over time. It can be a week, a month, or a year, but you can expect a limited lifetime. With the BST transmission, you will get great performance for much longer and get a 12 month / 12,000 mile warranty even under high-power use (requires complete system flush and new torque converter for warranty).
BST Upgraded NAG-1 Performance Transmission
Nag1 Transmission Controller
- Effective, with long life, up to 1000HP
- Based on a NAG-1 core and housing
- Upgraded and replaced internal components
- OEM electronic control - directly replaces the stock NAG-1
Nag1 Transmission Upgrade Rebuild Kit