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.