Namura Piston Rings for 2001-05 Yamaha YFM660R Raptor - 101.47mm - NA-40004-6R 2003 Honda XR400R 2007 Harley-Davidson FLSTFB Fat Boy

2007 Harley-Davidson FLSTFB Fat Boy Lo

1999-01 Ski-Doo Summit 600

2008 Yamaha XVS13CT V-Star 1300 Tourer

2013 Honda TRX420FM Rancher

Namura Piston Rings for 2001-05 Yamaha YFM660R Raptor - 101.47mm - NA-40004-6R 2003 Honda XR400R 2007 Harley-Davidson FLSTFB Fat BoyNamura Technologies Piston Rings Part Number: NA 40004 6R Piston Rings are an essential part of piston performance, engine efficiency, and durability. Namura piston rings are designed specifically for each application with the best materials and precise fitment. Composed of either a highly ductile cast iron or stainless steel alloy. Quality provide excellent wear resistance and a gas tight seal. Often overlooked and unglamorous, they are an essential