Ultra-rare item. These are the early versions for Vespa Rally models up through mid 1977 (all Femsa case models), not the more common P, PX type. These systems have not been in production since the '70s and were rare even when they were new. These assemblies are original, reconditioned Piaggio items. We have limited stock on-hand and they are reconditioned, rebuilt and tested to order but will still usually ship same-day.