Brand New Genuine Kawasaki Complete Cylinder Head # 1 Kit. Genuine Kawasaki Part Number 99999-0630. Cylinder # 1 is Closest to the Flywheel. Cylinder Head Kit Contains: Cylinder Head, Head Gasket, Valve Cover Gasket, Oil Seal, Intake Valve, Exhaust Valve, Valve Springs, Valve Retainer Springs, Collets, Brackets, Bolts, Manifold Gaskets, O-rings, Exhaust Gaskets and Studs. Fits Kawasaki FR/FS/FX481V-600V Model Engines