Hastings Piston Ring Set - 2M4805005 For Harley Motorcycles 2006-2013 Brand_Denso Kit replaces OE plastic diaphragm

Kit replaces OE plastic diaphragm cover which will crack over time and is not offered through Yamaha

Semi-floating scallop cut design dissipates heat and resists warping

7 mm Type Sintered Metal Mounting Position Rear Units Set of 2 Product Name Brake Pad

• 1x Ring Set #3741XS

Hastings Piston Ring Set - 2M4805005 For Harley Motorcycles 2006-2013 Brand_Denso Kit replaces OE plastic diaphragmFeatures 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