Hastings Piston Ring Set - 2M6127040 For Harley Motorcycles 1978-1984 Brand_Andrews Features built-in stainless steel vent

Features built-in stainless steel vent mesh to match the stock air cleaner

Riding Style Street Units 2 Pack Diameter Oversize (+0

420 bolt-in street cam with more torque and HP for all around riding with stock CR (1800-5200 rpm range)

50" COMPATIBILITY NOT FOR TIRE PRESSURE MONITORING SYSTEM (TPMS) UNITS EACH RIDING STYLE STREET

Momentary push-button switches are rated for 1/2 amp

Hastings Piston Ring Set - 2M6127040 For Harley Motorcycles 1978-1984 Brand_Andrews Features built-in stainless steel ventFeatures 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