This is the inner fiber washer to seal the banjo bolt against the fuel union on the 3-barrel Weber carburetors.
Fits the 3-barrel versions of the following models:
- Weber IDA
- Weber IDAP
- Weber IDL
- Weber IDPT
- Weber IDS
- Weber IDT
- Weber IF
Required quantity per carburettor: 2
This is item number 8 in the drawing.