Replaces OEM Part # 1UY-11310-03-00, 1UY-11631-Y0 CYLINDER PISTON GASKET TOP OIL AIR FILTER END KIT SET FITS YAMAHA BRUIN 350 2004 2005 2006 PURCHASE INCLUDES: CYLINDER BLOCK. PISTON. PISTON RING KIT. PISTON PIN. CIRCLIPS. CYLINDER HEAD GASKET. PAPER CYLINDER BLOCK GASKET CHAIN TENSIONER, CHAIN TENSIONER GASKET. NGK SPARK PLUG.GASKET MAKER.THREAD LOCK.OIL FILTER. AIR FILTER. REBUILD GASKET AND O-RING KIT ADULT SIGNATURE REQUIRED FOR DELIVERY PURCHASE INCLUDES: CYLINDER BLOCK. PISTON. PISTON RING KIT. PISTON PIN. CIRCLIPS. CYLINDER HEAD GASKET. PAPER CYLINDER BLOCK GASKET CHAIN TENSIONER, CHAIN TENSIONER GASKET. NGK SPARK PLUG.GASKET MAKER.THREAD LOCK.OIL FILTER. AIR FILTER. REBUILD GASKET AND O-RING KIT