0057004 KIT Primer Bulb with 2 feet of each 6617 6616 Tygon Fuel Lines and ZF-1 Fuel Filter Kit Includes The Following Parts: 2 Ft of 6616 ID .080" OD .140" And 2 Ft of 6617 ID 3/32" OD 3/16" 1) 0057004 Primer Bulb (I.D. 5/8" O.D. 7/8" Height 11-16") 1) ZF-1 Fuel Filters (I.D. 1/8" OD 1/2" Length 1-1/4") THESE ARE ALL VERY COMMOM PARTS FOR SEVERAL MODELS OF 2-CYCLE EQUIPMENT