Gold Plunger Seal Back Catalog number: CTS-10963 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10988 2690/2695 Performance Maintenance Kit Price on request 11-1596 Piston Assembly, Sapphire Price on request CTS-10761 HPMV 1 & 2 Rebuild Kit w/Spool Price on request