High-performance carbon/aramid GG-rated compound for snowmobiles SL 452501 compound is a semi-metallic material with aramid and carbon composites, that works in any conditions Max coefficient of friction is UO.59 Minimal break-in time required Composed of carbon and basalt fibers as well as aramid fibers and other special materials Brake lever pressure is reduced considerably with no rotor damage at all Excellent for race or trail conditions. SLP BRAKE PADS POLARIS