Aeroflow New Bypass Reg Replacement AF59-4501
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Includes Spring, Suit New Design AF49-4500 & 4501
Replacement Diaphragm and Spring Kit.
This diaphragm and spring kit suits the new design Aeroflow Performance Bypass fuel pump regulators. The new design comapred to the previous design has a octagon style top hat. The part numbers are AF49-4500 and AF49-4501.