Traxxas Bolt carburetor pinch/ 3 mm locknut (TRX 2.5 2.5 R 3.3) TRA5239
This genuine Traxxas 3mm locknut and accompanying pinch bolt are engineered to provide a secure and precise fit for your TRX 2.5, 2.5R, and 3.3 nitro engines. Designed for direct replacement, this critical component ensures your carburetor remains firmly in place, maintaining optimal engine performance and tuning stability.
Maintaining consistent engine performance in your Traxxas nitro vehicle relies on every component functioning perfectly, especially the carburetor. The carburetor pinch bolt and 3mm locknut play a vital role by securely fastening the carburetor to the engine block, preventing any unwanted movement or air leaks. This robust connection is essential for accurate fuel-air mixture delivery and consistent engine tuning, directly impacting throttle response and overall power.
Engineered specifically for the high-vibration environment of nitro RC, the 3mm locknut features an integrated nylon insert that resists loosening caused by engine vibrations. This design ensures long-lasting security, giving you confidence in your engine’s reliability during aggressive driving sessions and competitive racing.
Specifications
- Designed for: Traxxas TRX 2.5, 2.5R, and 3.3 nitro engines
- Component: Carburetor pinch bolt and 3mm locknut
- Function: Secures carburetor for stable tuning and performance
- Locknut Feature: Integrated nylon insert for vibration resistance


Traxxas