Namura Piston Rings for Polaris 400 Models - 87.89mm - NA-50026R 2004 Harley-Davidson Electra Glide Classic - FLHTCI 2004 Arctic Cat 500 4X4

2004 Arctic Cat 500 4X4 Auto Tbx

2018 Ski-Doo Expedition 550F Sport

Part Number: 431M07000

Part Number: 23

1989 Honda CR500

Namura Piston Rings for Polaris 400 Models - 87.89mm - NA-50026R 2004 Harley-Davidson Electra Glide Classic - FLHTCI 2004 Arctic Cat 500 4X4Namura Technologies Piston Rings Part Number: NA 50026R 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