Ban Jing Performance Microchip CDI/Coil Vee Rubber This will allow you to

This will allow you to maximize your big bore kit by increased top speed and a more usable rev range

Displacement Capacity: 70cc (Sport Class Baseline)

They optimize the power output

PX150 (VLX)

and a Vespa 50 high performance kit that include this cylinder

Ban Jing Performance Microchip CDI/Coil Vee Rubber This will allow you toBan Jing High Performance Microchip Programmed CDI Coil for use on 50cc 500cc, 4 stroke Scooters. Ignite your vehicle's true performance potential! This High Performance CDI Coil gives stronger ignition firing, a more complete combustion burn (more power, better fuel mileage and reduced emissions), quick acceleration and increased horsepower! Installation is Easy: Connect red wire to 12 volt switched source (DC) Connect black wire to ground Connect