This Stens Chainsaw Cylinder Assembly keeps the engine of your chainsaw running at peak performance. The cylinder assembly provides the housing where internal combustion occurs. Stens makes replacement easy by offering ready-to-install chainsaw cylinder assemblies that include everything you need, saving you from having to source and purchase all of the individual pieces separately. Stens cylinder assemblies combine all the best features required to enhance the performance of chainsaw. These cylinder assemblies efficiently manage the internal pressure that occurs during typical engine operation. Lighter weight metals are used to reduce overall engine weight. Heat-conducting qualities manage heat from the engine to allow for cooler operation. Stens cylinder assemblies help deliver optimal engine performance.