Athena Big Bore 490cc Top End Rebuild Kit
Fitment:
-06+ Honda TRX450R / ER
Kit Includes:
-Athena Cylinder (Nikasil Coating, Designed with Larger Water Jackets)
-Athena Forged 11.7:1 Piston with Moly Skirt Coating / CP 13:1 3-ring / CP 13.5:1 2-ring / JE 13:1 3-ring / JE 12.5:1 2-Ring Piston
-Athena Top End Gasket Kit