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Stanadyne DB2 Fuel Injection Pump

Sunday, October 11th, 2009

The Stanadyne DB2 rotary distributor pump has a single pumping element that feeds all injectors. The high pressure pumping action is carried out in a single barrel, which houses two opposing plungers operated by two rollers. These plungers are pushed together by a cam ring with internal lobes acting on the rollers and it is this action that pressurizes the fuel.