Pulstar® Pulse Plugs from Enerpulse, Inc. help improve cold starting for V-Twin cruisers. Pulstar Pulse Plugs look like conventional spark plugs, but the product's unique pulse technology has demonstrated impressive improvements in throttle response and fuel economy in independent certified testing. Pulstar Pulse Plugs are available for most American V-Twin motorcycle applications. For more information on Pulstar Pulse Plugs, the Official Plug of the Hot Bike Power Tour, phone 888-800-6700 or visit www.pulstar.com.