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 ...

Cummins diesel engines. While it's safe to say a majority of Clessie's loyalists firmly believe that all of the brand's I-6 powerplants truly are the greatest things that ever happened to diesel, the ...