Ferrari Part Number 100147, CRANK THRUST WASHER PAIR 250,275 2ND OVERSIZE 0.25MM shown here as used in Ferrari 400 GT Table 3 Crankshaft Conrods And Pistons. Location in Diagram: 12. Required Quantity: 2. This Ferrari part is used in more than one diagram. Click on the diagrams below to see alternative uses of this part: