Naraku Exhaust Stud & Nut Set (M6 x 32mm). This product is suitable for the Piaggio Zip 50cc 2T AC (2000-08) [ZAPC2500010/ ZAPC25B]. Piaggio Zip 50 4T -05 Derestricted CDI unit w/ ignition coil. Piaggio Zip 50 4T 2V 06-13 Derestricted CDI unit w/ ignition coil.