This is a relpacement for traditional canister style ignition condensers on harley points ignition and on magneto ignitions. replace this just as you would a regular condenser for more stable longer lasting results. These are in the testing stages right now. i have run one on a bike and it worked great but it hasn't been truly used and abused yet. If you choose to purchase one hell yeah thats awesome!! Just know there is no warranty or guarantee, you are buying at your own risk. Canister style condenser not included it’s just for size reference.