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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
Genuine James kits include matching head and base gaskets and O-rings where applicable
2003-2009 Yamaha YZ450F
sprocket shaft Timken bearing assembly and oil seal
2016-2023 Yamaha YZ450FX
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Cometic Gasket C7921 Top End Gasket Kit - O-Ring engine-plugs-caps-dipsticks-oil-filler-plugs Genuine James kits include matchingHead gaskets are either copper or O ring type. All others are graphite. All top end gasket kits include everything needed to rebuild your top end. Cometic Gasket offers the latest in gasket technology. Gasket materials, design and manufacturing processes are constantly improving to match the high level of performance for todays powersports engines. When purchasing a Cometic Top End gasket kit, you can rest assured that every component will be the best
