This is a replacement 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 a new design and have limited testing but with the testing that has been done there have been zero complaints. Since this is a semi experimental condenser Just know there is no warranty or guarantee, you are buying at your own risk. Canister style condenser and points plate not included it is just for size reference.