part 2820600 Piston Annovi Reverberi code 2820600 Details Annovi Reverberi number2820600 DescriptionPiston ItalianPistoneQty per pump3 Also comes in KIT 42308 Plunger kit, Ø40 mm Fits these pumps Annovi Reverberi RTF 2 RTF 135.100 N APRTF 150.100 N AP