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High strength one-piece design.
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1:1 interchangeable with the original spare part.
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Stronger and lighter to withstand all the slamming and the combustion chamber’s heat.
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Trust in quality with many years of product experience.
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Intake valve replace OEM: 1SL-12111-00-00
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Exhaust valve replace OEM: 1SL-12121-00-00
Fit for
Yamaha YZ450F 2014-2019
Yamaha WR450F 2016-2020