Coppia Molle Valvole Aspirazione e Scarico per Moto Guzzi Valvole Scoperte PE175-250, Airone 250 Sport Valvole Scoperte - Pair of 2 Valve Suction and Drain Valves for Moto Guzzi Valve Valves PE175-250, Airone 250 Sport Valves Discovery.