Annovi Reverberi Pump, 3 GPM, 2500 PSI, 5.1 EBHP (rcv3g25e-f8). Featuring the latest design and technology innovations from AR North America, the new RC Series of Solid Shaft & Hollow Shaft pumps are constructed with die-cast bodies and feature a brass head. Internal components include NEW ceramic plungers with a thicker wall to help prevent thermal shock; a NEW low-pressure seal with a built in scraper; and two-piece piston guides. In addition, the Drive End has NEW connecting rod with 12% more load surface.