Rhino Grizzly 660 Assembled Head Assembly Only Valves Springs No Valve Cover Kit XR400R All parts are brand new

All parts are brand new OEM quality and work on all models and years

Counter balancer bearing

Primary drive gear shaft roller bearings

Sportsman 850 High Lifter (2016–2020)

Rhino Grizzly 660 Assembled Head Assembly Only Valves Springs No Valve Cover Kit XR400R All parts are brand newUpgrade your Yamaha Rhino Grizzly 660 engine with complete cylinder head assembly replacement part. Yamaha Rhino Grizzly 660 Cylinder Head Assembly YXR660 YFM660 Valves Springs Product Description Upgrade or replace your worn top end with this brand new aftermarket cylinder head assembly designed for the Yamaha Rhino 660 and Grizzly 660 platforms. This fully assembled head comes complete with valves, valve springs, retainers, seats, keepers, and