You are purchasing one set of 4 ATV wheel spacers, enough to widen two axles 4.00″ total wheel to wheel (one spacer in the kit for each wheel). The 4.0″ ATV wheel spacers are 2.00″ per side will fit most any ATV with a 4 x 110 wheel stud pattern. A wider wheelbase on your bike will offer more stability for jumping and cornering, and also allow you to add larger wheels without lifting your bike. Our wheel spacers are CNC machined to exact specification from the best quality aerospace aluminum available. Each set is hand tested and commercially packed. Installation: This set of spacers will fit most any ATV with 4×110 bolt spacing. Simply remove your wheels, bolt the spacers onto the wheel studs with your existing lugs, and use the new studs and lugs to put the wheels back on! It is that simple. Warranty: We offer a lifetime warranty on all our products.We use high-tensile steel and the highest quality aluminum. We have optimized a design to withstand more weight, torque and force, and we require material certifications from our suppliers. We provide a lifetime warranty. We guarantee YOUR satisfaction! Thousands of clients are currently enjoying these spacers, and they are riding with confidence! Do not let other sellers confuse you with their listings, because they cannot compete with our price points. We manufacture thousands of sets of all types of spacers at a time with a proven design, which results in a great deal for YOU!