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2005 Yamaha Kodiak 400 4x4
2000-06 Honda TRX350TE (Upper)
2009 Yamaha XV1700PC Road Star Warrior
2012 Triumph Speed Triple 1050
1998 Yamaha YFA1 Breeze 125
Namura Piston Rings for 2001-05 Yamaha YFM660R Raptor - 101.47mm - NA-40004-6R 2007 Arctic-Cat 700 EFI AUTO 2005 Yamaha Kodiak 400 4x4Namura 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