Powerful, industry-high HH+ friction-rated sintered metal, New high-tech ceramic heat shield eliminates brake fade, Quick break-in gives maximum braking performance after 10 miles, Excellent durability under all conditions, Dust-free performance without the noise or squeal, A new level of braking power for snowmobiles, Developed by factory riders to offer improved performance and durability compared to stock, OEM supplier on Polaris race sleds