Hastings Piston Ring Set - 2M6127 For Harley Motorcycles 1978-1984 FLTR 15-30 more lbs of oil

15-30 more lbs of oil pressure and quieter smoother engine operation

The covers are CNC machined from billet aluminum

Higher flow than stock

2011-2014 Suzuki S40 Boulevard 2010 Gilera Nexus 500 i

Hastings Piston Ring Set - 2M6127 For Harley Motorcycles 1978-1984 FLTR 15-30 more lbs of oilFeatures 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 Reverse Torsional Taper Face Promotes side sealing that prevents oil from being forced under