A USED CYLINDER ASSY.OFF OF A 1990 ARCTIC CAT WILDCAT 650 L/C .THIS IS THE CYLINDER,AND THE HEAD.OEM PARTS.NICE SHAPE,LOOKS LIKE IT HAS LIGHT PORTING.I.D. OF CYLINDFER IS IN VERY NICE SHAPE.NO SCOREING,OR MARING.WAS ON THE CLUTCH SIDE(L).PARTS SEEN IN PICS,IS WHAT YOU BUY,ASK ANY QUESTIONS BEFORE BUYING.NO RETURNS.WILL SHIP USPS,OR UPS GROUND FREE.