part 3661090 Pistone Ø 40 Piston Annovi Reverberi code 3661090 Details Annovi Reverberi number3661090 DescriptionPistone Ø 40 Piston ItalianPistone Ø 40 PistonQty per pump3 Also comes in KIT 46096 Plunger kit, Ø40 mm Fits these pumps Annovi Reverberi RTX 2 RTX 150.100 C + F56RTX 150.100 N