Namura Piston Rings for 2007-14 Polaris 90 Sportsman / Outlaw - 47.98mm - NA-50014-4R 2018 KTM 65 SX 2004 Ski-Doo Summit 800

2004 Ski-Doo Summit 800

2007 KTM 250 SXS-F

1999-03 Polaris Indy 550 Trail RMK

2008 Arctic-Cat 501 AUTO

Namura Piston Rings for 2007-14 Polaris 90 Sportsman / Outlaw - 47.98mm - NA-50014-4R 2018 KTM 65 SX 2004 Ski-Doo Summit 800Namura Technologies Piston Rings Part Number: NA 50014 4R 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