QuadBoss 04-05 Yamaha YFZ450 (2) Rear Carrier Bearing Upgrade Kit

Replace two side-by-side bearings with one double-wide angular contact bearing to increase capacity and life by 30%. Kits for all late 450cc sport ATVs.

• Replaces two standard bearings with one double-wide performance bearing
• Helps maintain smooth rear axle rotation under aggressive riding
• Direct-fit upgrade designed for popular 450cc sport ATV carriers
• Increases bearing capacity and service life versus stock setup