Engineworx Gasket Kit (Top Set) Yamaha YZ450F 10-13 Casual and integrated abrasion guard with

and integrated abrasion guard with slimmer profile

injection-molded polycarbonate lens for distortion-free optical clarity and increased impact resistance

All of our sprockets are designed and manufactured in our British factory

The evolution of this years GP Pro pant is a step up from previous models in every way

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Engineworx Gasket Kit (Top Set) Yamaha YZ450F 10-13 Casual and integrated abrasion guard withEngineworx Gasket Kit (Top Set) Yamaha YZ450F 10 13 Engineworx Top End Gasket Kits are the new leader in OEM replacement engine gasket kits. Kits include gaskets and seals necessary to rebuild the top end of your engine. All 4 Stroke head gaskets use Japanese stainless steel laminated head gasket and Viton valve seals, ensuring the best quality possible.