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YAMAHA 2010-2019 YZ450F TOP END GASKET KIT
base gasket
Direct OEM replacement for #90116-08394-00
Upgrade your Yamaha YFZ450 with this 98mm Big Bore Top End Kit featuring a Wiseco forged piston
Boost power
Banshee 421 Cub Serval Domes 68mm 24cc 9 deg Cool Head Noss Pro Design Chariot Pro-X YAMAHA 2010-2019 YZ450F TOP ENDBanshee 421cc Big Bore Conversion Domes +4mm Cool Head Stroker O Ring Kit Fits All Yamaha Banshees (392cc to 421cc) Unleash the full potential of your Yamaha Banshee with the Banshee 421cc Big Bore Domes +4mm Conversion Cool Head Stroker Dome O Rings. Custom designed for seamless 421cc conversions, these precision cut billet domes eliminate the need for a spacer plate, making them the perfect solution when upgrading from 392cc to 421cc. 68mm 24cc 9deg