Fuel Rail Plugs

Whether you are capping off an unneeded fluid line, installing a threaded plug into your engine block, or replacing the drain plug in your transmission or engine oil pan, Pit Stop USA has a huge selection of Caps and Plugs at low everyday prices. Choose from several styles of caps and plugs including plastic or aluminum line plugs that are perfect for sealing your system against dirt and debris during engine swaps. Caps and plugs are available in a wide variety of configurations.

Fuel Rail Plugs replace failing pressure relief valves. Designed to easily replace a faulty stock relief valve, they allow you to maintain consistent rail pressure, which is extremely beneficial to higher horsepower engines. Fuel rail plugs can improve engine starting sealing in up to 30,000 psi rail pressure eliminating fuel pressure drops at full RPM. Great for creating more power from your diesel engine.