Namura Piston Rings for 1999-04 Honda TRX400EX/TRX400X - 85.97mm - NA-10003-4R 2008 KTM 250 XC 2010 Arctic Cat 700 TRV

2010 Arctic Cat 700 TRV Auto 2/4 WD IRS H1 Cruiser

2018 Husqvarna TC 85 (17/14)

2003 Aprilia RSV 1000

40mm (Standard)

2013 Polaris Ranger 800 RZR 4 Indy Red

Namura Piston Rings for 1999-04 Honda TRX400EX/TRX400X - 85.97mm - NA-10003-4R 2008 KTM 250 XC 2010 Arctic Cat 700 TRVNamura Technologies Piston Rings Part Number: NA 10003 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