Cylinder Works Cylinder Head Kit (CH2001-K02) YAMAHA YFM450 GRIZZLY IRS ���� Making the powerband extra

���� Making the powerband extra wide with 300 rpm to spare in tuning

NGK 6669 BR9ECS-5 Nickel Spark Plug

Fits: Cables With Barrel Ends With M8 Barrel

A CAST ALUMINUM HOUSING with IP68 water-resistant rating

Cylinder Works Cylinder Head Kit (CH2001-K02) YAMAHA YFM450 GRIZZLY IRS ���� Making the powerband extraCylinder Works Cylinder Head Kit New replacement cylinder head Include cam caps and cam cap bolts Include C630 (nickel aluminum bronze) valve seats and guides Competition valve job Shortened valve guides to accept higher lift cams Unshrouded combustion chamber Blended bowl seat to port Stock shaped ports Includes cylinder head, cam caps, & cam cap bolts. Does not include valves, springs or lifters Made in the U. S. A.