The MUFFLER EXHAUST GASKET is designed to fit STIHL 066 MS650 MS660 064 G660 chainsaws, specifically made for 2-stroke engines powered by gasoline. This high-quality gasket is made in Taiwan and comes in a pack of 1, ensuring a proper fit and reliable performance for your outdoor power equipment. Perfect for maintaining and repairing your chainsaw, this gasket helps to keep your engine running smoothly and efficiently.