Hastings Piston Ring Set - 2M4941005 For Harley Touring 2012-2017 Brand_Joker Machine Designed and engineered in the

Designed and engineered in the USA

For 19-1/2" muffler bodies

installation kit and instructions

stainless steel option for customizers of all types

Hastings Piston Ring Set - 2M4941005 For Harley Touring 2012-2017 Brand_Joker Machine Designed and engineered in theFeatures Includes top compression rings, second compression rings, and oil control rings Top Compression Rings are Barrel Face Helps in the the heat transfer process between the piston and cylinder wall Controls combustion chamber gases allowing the piston to transfer the energy of the expanding combustion gases, to the crankshaft Second Compression Ring are Napier Reverse twist ring along with a taper machined ring face duplicates the OD bottom side