Main Piston Seal Back Catalog number: 11-2588 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-5656 Sapphire Plunger Price on request 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request PS7075600 MarvelXACT™ PEEKsil™ 75µm ID x 600mm Price on request