Magnecor Race Wires are used on many serious race engines, such as current engines used in the USA in NASCAR, Winston Cup, Grand National and Super Truck series, SCCA (including successful factory vehicles and other series winners), IMSA, NHRA etc. Magnecor Race Wires are also used on many race engines competing worldwide; Australians would be interested to know most successful Touring Cars, including most cars running at Bathurst, use Magnecor Race Wires. Magnecor Race Wires have been successfully run on many 5,000+HP Top Fuel engines. However, unlike all other performance wires, Magnecor Race Wires can be used to improve ANY street engine ignition performance — because they provide EMI suppression!