High Flow Delivery Valves - Do you need more fuel for your high performance 12 valve cummins? Does your cummins stumble after installing the 370hp marine injectors? Looking for more bottom end response?
You could install the 181's or the 191's, but why use a water pistol when you can have a fire hose? These delivery valves are for the serious performance enthusiast looking for serious fuel. They are not for the faint of heart.
Horsepower gains will vary depending on your pump and truck setup, but on average these delivery valves will give enough fuel to make 50 horsepower more than the 191 delivery valves
For delivery valve install instructions click here