A 12 volt coil can be used in a 6 volt setup. In some cases you may want to use an external resistor to lower the ohms. But test your own setup before doing so. High Performance 5-Pin CDI for most Chinese 49cc 50cc 60cc 70cc 90cc 110cc 125cc 4-stroke ATVs Dirt Bikes Go Karts 5 Pin male plug CDI Box Ignition energy intensity powerful acceleration Strong High Quality Racing Spark Plug with High Performance Triple Electrode Head. Thread: M10x1 Reach: 12.7 mm Hex: 16mm Seat Type: Flat : 1.1mm Heat Range: 7 Electrode Type: J Type Note: You may have to make modifications to the mounting point, mounting position or wiring connections (If you currently have 2 wires going to your coil, you would only connect the 12 volt wire. The unit is Self Grounding)! You may have to reuse your old bracket and you have to reuse your existing condenser. But at the cost of a new Part Number coil, it's worth the effort to spend some time on the mount and connections to make this work. Note: Comes with a Free 90 Degree Cap. If you have the longer cap you may have to re-use your existing cap. It just unscrews from the wire. Colour: Black Material: Copper + plastic Package Contents: 2 x ignition coil 2 x 5-pin CDI 2 x spark plug Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.