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Cometic Top End Gasket Kit - 98 mm - Yamaha C3178-EST - Main Product View
Cometic Top End Gasket Kit - 98 mm - Yamaha C3178-EST - Side View
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COMETIC Top End Gasket Kit - 98 mm C3178-EST fits 2006-2009 2011-2014 Yamaha WR450F / 2009-2018 YFZ450R / 2009-2018 YFZ450RSE / 2006-2009 YZ450F

⚠️ Please verify fitment before purchasing. Check the fitment chart below or use the Year/Make/Model tool to confirm this part fits your vehicle.

⚠️ Verify fitment before purchasing. Check the fitment chart below or click the 3 lines in the top left menu, select Home, then use the Year/Make/Model guide.

COMETIC
C3178-EST
Out of stock
$90.95 USD $66.99 USD

COMETIC Top End Gasket Kit - 98 mm C3178-EST fits 2006-2009 2011-2014 Yamaha WR450F / 2009-2018 YFZ450R / 2009-2018 YFZ450RSE / 2006-2009 YZ450F
Top end gasket kit includes correct base, head gasket and cylinder O-rings as well as other top end specific O-rings or seals needed for R&R of top end. MLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring seal for more power. 4-stroke head gaskets are made to perform on today’s highest-output 4-stroke naturally aspirated and boosted machines, utilizing a multi-layered steel design with the outer layers being embossed and coated with a Viton rubber coating; these head gaskets are designed to meet the demands of today's high-horsepower, high-cylinder-pressure engines. EST (Extreme Sealing Technology) gasket kit includes embossed stainless steel head, base and rocker gaskets covered with a proprietary rubber material. Head gasket material allows heat to be drawn away from the combustion ring and dissipated evenly across the gasket surface to eliminate hot spots and gasket failure. Made in the U.S.A..


This Part Fits:

Year Make Model Submodel
2006-2009 Yamaha YZ450F Base
2006-2009,2011-2014 Yamaha WR450F Base
2009-2015 Yamaha YFZ450RSE Special Edition
2009-2018 Yamaha YFZ450R Base
2016 Yamaha YFZ450R Special Edition
2017-2018 Yamaha YFZ450RSE Base
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