A kit containing parts needed to replace worn valves in RSV Series pumps. Kit is compatible with pump models RSV25G25D-F25, RSV3G30DF25EZ, RSV3G34D-F40, RSV33G31D-F40, RSV35G40D-F40, and RSV4G40HDF40EZ. Each kit contains all OEM valve caps, check valves, and O-rings. Parts are from AR North America to ensure a proper fit an material compatibility when used in the recommended pump models.