You are ready for the race, or so you thought. When you hit the NOS switch, nothing happens: no rush, no whoosh of speed, nothing. As you shake your head in disgust and pull to the side of the track, you pull out your mobile phone to hit the Internet. Once there, you find a wide selection of reliable sellers on eBay offering on-off switch sets, such as those 20A SPST switches and even a toggle switch set in blue, which would give your car interior a whole new look. In addition to the flip-up traditional toggle switches, you find on-off sets in multi-color LED. There are so many choices that you almost do not mind missing the race because shopping is so easy. With many delivery options to choose from, you can have your switch, or as many switch sets as you like, delivered to your home, or to your auto shop for professional installation, and you will be back on the track before you know it.