Engineworx Gasket Kit (Top Set) KTM SX450 03-06 MXC450 03-04 SMR450 05-07 SXS450 05-06 SX EXC 520 00-02 SX EXC 525 03-07

Engineworx Gasket Kit (Top Set) KTM SX450 03-06 MXC450 03-04 SMR450 05-07 SXS450 05-06 SX/EXC 520 00-02 SX/EXC 525 03-07 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.