Discount chain slider and guide kit. Can be used for any type of riding or racing but we targeted the wear and durability for the MX, SX, & OE replacement market place. Special package kit consists of our Dirt Cross front chain slider, Lower Powerlip Roller, and Rear Chain guide shell with new inner chain guide rub block. This package kit lowers chain drag for improved horsepower and will wear at least twice as long as stock. Get rid of stock components and make your bike stand out like a Factory Works bike at super great price.