54mm Cylinder Piston for Stihl 066 Ms660 Fuding Jingyi Rubber & Plastic Co., Ltd. Base Info Model NO.:STIHL 066 MS660 Description Pre:Carburetor Carb Carby for Husqvarna 340 345 346 350 353 Chainsaw Next:Carb Carburetor Gasket Diaphragm Repair Kit Rk-32HK for Tillotson HK Series