Should I choose the Ignitech Sparker Racing 3 or the TCIP4 for my classic bike (e.g. Yamaha XV1000/Virago, Honda CB500)?

For most road and classic bikes the programmable TCIP4 is the recommended choice, and it is cheaper. We have installed it successfully on a Virago. The racing versions are only worth it if you need race functions such as launch control, powershift/quickshifter or two maps. Send us photos of the stock ignition unit and connectors and we will prepare a plug-and-play unit with a base map.