service kit: other kits KIT 42160 Plunger guide kit, Ø20 mm Annovi Reverberi code 42160 In the kit Part numberDescriptionPosition 2820380Piston guide16 2820390Piston guide22 Fits these pumps Annovi Reverberi RTP 2 RTP 30.500 N APRTP 38.500 N AP