DescriptionTune up kit for use in most Softech Taylor soft serve machines.Fits Taylor Models337, 338, 339, 754 and 794. Included in this kit3 014218 CAP-DESIGN-1.010"ID-6 PT6 014402 O-RING-7/8 OD X .103W6 016137 O-RING-3/8 OD X .070W1 016272 O-RING-5/16 OD X .070W8 018572 O-RING-.643 OD X .077..