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Fuel Pump Tech

Up Blown Injection Tunnel Ram Injection Single Butterfly Injection Fuel Log Diagrams Barrel Valve Leakdown Pertinent Specifications &  Poop Carb Linkage Instructions Fuel Pump Tech Spring Pressure Chart

Determining Enderle Fuel Pump Rotation
Enderle pumps are designed to rotate in either direction.
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Enderle DSR Pumps:




Enderle Original Pumps: