US$ 34.99
Made by Loctite
L-Jetronic
and this one works the best
This item fits 356 (1950-1954)
Porsche It's designed to be slightly more square at the base to help create a slightly more rigid base
Porsche Distributor Drive Shim - All 356s/912 50-69 539-09-102 91161331903 Made by LoctitePorsche Distributor drive shim for all 356 (1950 1965) and 912 (1965 1969) models.