Rotor Seal, 6 port, Rear Back Catalog number: CTS-21164 Availability: In the manufacturer's stock Price on request - + Recommended CTS-0069 Tubing, Head to Tee Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request 11-4179 HPV Rotor, SIL-30AC, SIL-30ACMP Price on request