The finest and lightest wheel spacers available.These spacers are an exclusive compound of urethane and titanium.They weigh 60% less than aluminum of equal volumn.The mounting hardware attaches to the existing press-in studs, providing a well supported foundation for the spacer.Available in 1.5" and 2.5" for most models, these spacers will provide both wheel clearance and a more stable ride.Note: "ez fit" spacers do not require stud removal for installation.Use for superior fit and assembly.Please note that utv's and heavier, larger quads should use the ez fit aluminum spacers