Porsche 911 65-77 Engine Cooling Fan Impeller Flange Hub Replacement Repair Kit

Item description from the seller Repair your worn out 65-77 911 engine cooling fan with this center flange hub.  Hub is made out of drop forge steel. Install it with aircraft grade alloy rivets using an Arbor Press. The diameter is 4 3/4″ for the hub and opening for the alternator shaft is 5/8″.  It will only fit alternators with 5/8″ shaft. Please measure your old hub and compare to the pics carefully before ordering. Additional rivet available: Here We have the late type: Here