#2 Check Assembly Repair Kit, 6" 475ST used with RK6-450STDACK2. Kit Contains Seat Retainer, O-Ring, Seat, Bolt, Poppet Retainer (x4), Handle, Poppet Assembly, Washer (x4), O-Ring, Retainer (x4), Poppet Retainer, Seal Ring, and Seat Assembly.
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