Brand new Takegawa 170cc S-Stage bore kit for PCX owners! Maximum displacement increase with no case boring or bottom end work required. Simple top end bolt on performance. Kits also available to include Sport camshaft and Takegawa FI Con fuel injection controller. To achieve the most performance we highly recommend using this kit with the upgrade camshaft and FI Con. This listing is for the base 170cc S-Stage bore kit not including camshaft.