RCA/RCV - Triplex Plunger Pumps. Manifold: High strength forged brass for long term use. Bolts: Eight 6mm. Plungers: New Ceramic Plungers, thicker wall to help prevent thermal shock. Valves: Stainless Steel, valve seat o-ring side mounted. Seals: High quality high pressure seals. New low pressure seal with built in scraper. Piston Guides: Two piece piston guides. Drive End: New connecting rod with 12% more load surface. Large side cover sight glass, oversized bearing. Rear cover oil drain. Crankshaft: Forged, precision ground. 3000 PSI, 2.7 GPM, 3400 RPM, 3/4" Hollow Shaft, F7 Gas, Unloader, Thermal Relief Valve, Detergent tube with filter, 3/8" Quick Connect, 3/8" nipple, 3/4" F nut, Inlet filter.