The spacer in the front of the tank is dependent on the tank itself, not so much related to the cylinder.
Some of the 6-10 tanks with the spring loaded H/L adjusters uses a substantial spacer between the fuel tank and oil tank (68219, 1/4" high), most just have and insulating washer there.
Mark
Some of the 6-10 tanks with the spring loaded H/L adjusters uses a substantial spacer between the fuel tank and oil tank (68219, 1/4" high), most just have and insulating washer there.
Mark