Newly produced spring as used in the, double, mechanical fuel pump of the Porsche 901 and early Porsche 911.
This fuel pump was indeed a "double" version and was used in conjunction with the Solex 40 PI carburettors.
This spring returns the diaphragm to its original position to prime the pump chamber with fresh fuel.
The required quantity per car is: 2
This is Number 9 on the drawing of the fuel pump
This is Porsche Part Number: 908 108 966 00 (for reference only!)
This is our Part Number: PIVEER