2011 Peterbilt 389 Fuel Injectors, Fuel Rails, Components
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Sinister Diesel®Fuel Rail PlugPeterbilt 389 2011, Fuel Rail Plug by Sinister Diesel®. The Sinister Diesel Race Fuel Rail Plug replaces the stock or shimmed pressure relief valve. Removing the stock pressure relief valve will help maintain fuel rail pressure during...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$52.99 - Sinister Diesel®Fuel Rail PlugPeterbilt 389 2011, Fuel Rail Plug by Sinister Diesel®. The Sinister Diesel Race Fuel Rail Plug replaces the stock or shimmed pressure relief valve. Removing the stock pressure relief valve will help maintain fuel rail pressure during...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$52.99
