For the last 21 years, Dodge has offered the proven B-series Cummins engine in its 3/4- and 1-ton pickups. However, the Bosch-built injection systems found on these straight-six diesels have varied ...

This injection pump, often called a "P-pump," is the Holley Four-barrel carburetor of the diesel world. The P7100 pump has been around forever, is practically bulletproof, and is very tunable for high ...