Needle Seat Back Catalog number: 11-2570 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2525 1/4" Short Comp. Screw (Gold-Plated), 10/pk Price on request CTS-11313 PEEK™ Rotor, LPV Price on request CTS-2962 Plunger Seal, Gold Price on request