Adjust your tires for more mileage, more traction, and more fuel economy on race day when you use Van Alstine prep products. Van Alstine tire groovers and sipers cut quicker, cleaner, and cooler, eliminating tool-induced heat degradation to the rubber. A siper, groover, or flat or round bottom blade made by Van Alstine can cut tires with extreme precision so you get the most out of every lap. Get an edge on the competition when you trust Van Alstine tire products for your race car.