Fits 2002-2008 Yamaha Grizzly 660, 2002-2008 Yamaha Grizzly 660 Hunter Edition, 2003-2004 Yamaha Grizzly 660 Limited Edition, 2005-2006 Yamaha Grizzly 660 Special Edition, 2003-2005 Yamaha Grizzly 660 Wetlands Hunter, 2003-2006 Yamaha Grizzly 660 Hardwoods Hunter Edition, 2006 Yamaha Grizzly 660 Ducks Unlimited, 2006 Yamaha Grizzly 660 Oudoorsman Edition Fits 2004-2007 Yamaha Rhino 660, 2004-2007 Yamaha Rhino 660 Hunter Edition, 2006-2007 Yamaha Rhino 660 Special Edition, 2006-2007 Yamaha Rhino 660 Exploring Edition, 2007 Yamaha Rhino 660 Ducks Unlimited Edition, 2007 Yamaha Rhino 660 Sport Edition Compatible with OEM 3YF-11351-00-00, 5KM-11351-00-00, 5LP-1110 Kit includes (1) Cylinder Head with built in spark plug, (1) Head Gasket, (1) Base Gasket, (1) O-Ring, (1) Camshaft Cylinder Head Made from Cast Aluminum for Added Strength and Durability Included Items in This Bundle:

(QTY 1) NICHE 519-CCA2223M Camshaft Assembly With Gear Sprocket

Substitute For OEM Part Numbers(s): 5KM-12170-00-00

(QTY 1) NICHE 519-KCY2239H Cylinder Head Valve Spring

Substitute For OEM Part Numbers(s): 5KM-11101-01-00, 5KM-11101-00-00

(QTY 1) NICHE 519-KGS2254K Gasket Kit

Substitute For OEM Part Numbers(s): 5KM-11351-00-00, 3YF-11351-00-00, 3YF-11181-00-00

Fits The Following OEM Models:

Yamaha Grizzly 660 4X4: 2002-2008
Yamaha Grizzly 660 Ducks Unlimited Edition 4X4: 2006
Yamaha Grizzly 660 Hunter Edition 4X4: 2002-2008
Yamaha Grizzly 660 Limited Edition 4X4: 2003-2004
Yamaha Grizzly 660 Outdoorsman Edition 4X4: 2006
Yamaha Grizzly 660 Special Edition 4X4: 2005-2006
Yamaha Grizzly 660 Wetlands Hunter Edition 4X4: 2003-2005
Yamaha Rhino 660 4X4: 2004-2007
Yamaha Rhino 660 Ducks Unlimited Edition 4X4: 2007
Yamaha Rhino 660 Exploring Edition 4X4: 2006-2007
Yamaha Rhino 660 Hunter Edition 4X4: 2004-2007
Yamaha Rhino 660 Special Edition 4X4: 2006-2007
Yamaha Rhino 660 Sport Edition 4X4: 2007