Rotor Seal Back Catalog number: CTS-A106 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11425 Sapphire Plunger Price on request CTS-10761 HPMV 1 & 2 Rebuild Kit w/Spool Price on request CTS-7162 Plunger Seal, Black Price on request