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Porsche 911 Chamfered Engine Case Nut Washer Price: $15
This ad is for two MOS through bolt chamfered washers for a case nut of a 3.0 liter Porsche 911 and or Porsche 930. I think this washer was changed from a flat washer 1965 - 1974 and then beginning with engines with a 90 mm bore or larger the chamfer was added to prevent them from interfering with the cylinder fit and holding up the base of the larger diameter cylinders thus causing them to not fit properly.
The Porsche part number is 901.101.161.02
I am asking $15.00 for the pair plus $3.50 in postage and paypal fees