The BBR Tuning Stage 2 Volt Master High Performance CDI is what your high performance ride has been waiting for! Make no mistake: this CDI is built for high performance rides. While these CDI's definitely work with stock, a higher performing ride will require a strong, steady spark- that's where the BBR Tuning Stage 2 Volt Master High Performance CDI comes in handy. A stock CDI will give you a spark, but this CDI will give you a much stronger and more consistent spark which you'll need to back up all those high performance parts you've got on your ride. With its stand-alone coil and a larger base than other CDI's, your CDI receives electricity more efficiently than ever. You'll definitely need that for engines that ask a lot from your electrical system. This performance CDI is also timed to ensure maximum performance and consistent, correct timing which will ensure a smooth, powerful ride. The bigger and more consistent your spark is, the better your ride will run (especially when it has lots of performance parts). In fact, with this CDI you'll be getting: The BBR Tuning Stage 2 Volt Master High Performance CDI is approved and loved by commuters, too. Riders love the performance you get from this CDI, and commuters love the ability to start every time. Not only will this CDI help you get to where you need to go, it'll make sure you get there fast. Whether you're riding around the track or commuting your way to and from work, do yourself a favor a pick up this CDI for your bike.