I recently bought the plastic timing mark piece for an '81 Vanagon (2.0
liter air cooled) from Camelback VW, 1499 E. Camelback Rd. Phoenix, AZ.
(602) 265-6600.  VWOA Part #  021-119-249E
Regular  listed  price quoted at $4.06 (US). <w/o asking about discounts.>
It was confirmed that the same piece is used on all 2.0's.
-ellis\

>called "ignition timing scale" or something really close to that.  Chances
>are the dealer wont have them in stock, but can get them