Piston, Ceramic Back Catalog number: CTS-21219 Availability: In the manufacturer's stock Price on request - + Recommended PS7075600 MarvelXACT™ PEEKsil™ 75µm ID x 600mm Price on request 11-4133 Gold Plunger Seal Price on request CTS-11380 2690/2695 Performance Maintenance Kit w/Seal Pack Price on request