



Sinister Diesel Fuel Rail Race Plug for 2007.5–2012 Ram 6.7L Cummins
The Sinister Diesel Fuel Rail Race Plug replaces the stock or shimmed fuel rail pressure relief valve with a solid stainless steel plug. Designed to help maintain fuel rail pressure under full throttle and track driving conditions, it eliminates leakage through the relief valve it replaces.
When preparing your truck for the track, this plug offers a solid replacement for the factory relief valve rather than a shimmed solution.
Key features
- Solid stainless steel construction.
- Replaces the stock or shimmed fuel rail pressure relief valve.
- Designed to help maintain fuel rail pressure during full-throttle driving.
- Includes a new O-ring.
Vehicle fitment
2007.5–2012 Dodge/Ram 2500 and 3500 with the 6.7L Cummins diesel engine. Confirm your model year and engine before ordering.
What's included
- 1 Sinister Diesel Fuel Rail Race Plug.
- 1 O-ring.
Important purchase information
Not for sale in the State of California.
This solid plug replaces the pressure relief valve rather than retaining its pressure-relief function.

