The engine retains a distributor, a generator, a mechanical fuel pump, a cooling fan, and dual Solex-style carburetors as well as a flywheel and exhaust components.This 1.6-liter Type 616/7 flat-four was originally produced for use in a 1960 Porsche 356B Super 90.Replacement dual Solex-style carburetors are fitted, and the removed factory Solex carburetors are included in the sale