FIAT 509 A, a true evolution regarding the 509 first series. In fact, a completely new design head, with external exhaust manifold and carburetor brought on the left side of the engine, a more efficient lubrication system that put an end to the sagging of the connecting rod bearings: These factors suggest that the 509 A should be considered a different model than the 509, even the bodies of which were redesigned and enriched in the assortment. Auto under good general conditions, maintenance always regularly performed and documented, affiliate Register FIAT and Confirmed ASI Targa Gold. Ready for any test.