Dunks Performance’s Thorough Rebuild Improves the Power, Longevity, and Fuel Economy of a 12-Valve 5.9L Cummins Diesel First it was a simple oil-cooler failure. A week later, Adam Metter noticed his ...
Cummins has been at the forefront of the diesel engine market for more than 100 years. At this point, an argument could be made that there are few manufacturers whose products are as well respected ...