We have been providing quality, innovative performance products to Harley™ enthusiasts for many years. From mild or wild cams to state-of-the-art igntions, vThunder has a philosophy that screams out: Unmatched Quality, Unbelievable Performance.

For over twenty years, COMP Cams®, has been at the forefront in all forms of motorsports racing. From Talledega to the famed quarter mile at Indy, top racers consistently choose COMP Cams® products to insure undisputed performance and quality. Owners of Harley Davidson™ motorcycles can experience that very same eye popping, knuckle whitening performance with products from V-Thunder™.