Namura Piston Rings for Polaris 500 Models - 91.97mm - NA-50004R 2015 Yamaha YXC700PH Viking VI 700 Hunter Edition EPS 2009 Polaris RZR 800 EFI

2009 Polaris RZR 800 EFI

2000 KTM 400 EXC Racing 4-Stroke

Part Number: 153511  Fused-dual-layer design for a combined increase in performance and protection

2018 Honda TRX500 Foreman ES EPS 4x4

Namura Piston Rings for Polaris 500 Models - 91.97mm - NA-50004R 2015 Yamaha YXC700PH Viking VI 700 Hunter Edition EPS 2009 Polaris RZR 800 EFINamura Technologies Piston Rings Part Number: NA 50004R 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