Starter Spring / Stihl 4130 195 1600Pack Size:1GB GB34008, Lawn-Boy 613102, Lawn-Boy 610302, McCulloch 83078, Ryobi 613102, Ryobi 610302, Ryobi 791-613102, Stihl 4130 195 1600Edgewater 625305, ESF 123-171, Foley/Belsaw 5979489, Foley/PLP 123-171, Foley/PLP 178-501, Green Meadow RS92, Green Meadow SS963, Laser L8214, Laser 94354, NHC 207-7415, Oregon 43-415, Oregon 43-582, Prime Line 7-03477, Prime Line 7-03467, Rotary 1695, Rotary 7923, Rotary 13581, Sunbelt SP-1012, Tilton H1012, Tilton H202Lawn-Boy Trimmers with engines under 31cc; McCulloch Mac 110-Mac 140, Mini-Mac 6, 25, 30 and 35, Power Mac 6, Pro Mac 55 and 510, Super Pro 40, 310-340 and Titan 7 chainsaws; Ryobi Engines under 31cc; Stihl FS36, FS40 and FS44