Hastings Piston Ring Set - 6164030 For Harley Motorcycles 1988-2003 HARLEY DAVIDSON PERFORMANCE SEAT 1993-1999 BMW R1100GS 1999-2004 BMW

1993-1999 BMW R1100GS 1999-2004 BMW R 1150 GS ABS 1999-2004 BMW R1150GS 2001 BMW R 1150 GS Adventure 2002-2005 BMW R1150GS Adventure 2004-2018 BMW R 1200 GS ABS 2004-2018 BMW R1200GS 2006-2018 BMW R1200GS Adventure 2019-2021 BMW R1250GS Adventure

Direct bolt-on replacement for stock headpipes

2018-2026 Yamaha YZ 450 F 2019-2026 Yamaha YZ 250 F

Complete motor sets for Big Twin include bolts for primary

Hastings Piston Ring Set - 6164030 For Harley Motorcycles 1988-2003 HARLEY DAVIDSON PERFORMANCE SEAT 1993-1999 BMW R1100GS 1999-2004 BMWFeatures Includes top compression rings, second compression rings, and oil control rings Top Compression Rings are Barrel Face Cast coated 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