Everything About The 12 Valve Cummins Mechanical Lift Pump! How it works, what fails, + HOT RODDING!

Lets dive into the 12 valve mechanical lift pump, a simple part that can do so much more than it was originally built for! Much like the rest of the engine, it doesn't take much to unleash the true potential Check out my Instagram for day-to-day updates: @HHK_Performance Take a look at my website for new and used parts www.hhkperformance.com and if you're not already, make sure to be subscribed!