Compression Screw, SS Back Catalog number: CTS-5313 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11367 Piston, Low Pressure Price on request CTS-10761 HPMV 1 & 2 Rebuild Kit w/Spool Price on request CTS-10597 Wash Tube Seal Kit, 4/pk Price on request