ERP #WILK-RK8-375CK1
MFR #RK8-375CK1
UPC612052288093
The 375CK1 is compatible in sizes 8" and 10". The Repair Kit contains Seat Retainer #1, Bolt Poppet Retainer, Washer Poppet Bolt, O-ring Poppet Bolt, Poppet Retainer, Seal Ring, Seat Assembly #1 Poppet, and Washer Seat Retainer.