Medium friction racing compound with immediate low temperature response. Fading resistance up to 500 deg. C ( 930 deg. F). The RS 4-2 beds quickly and has a very good modulation (controllability). It is a classic Rally compound and one of the most commonly used pad in small single-seaters. Can be used as a rear pad in combination with a higher friction front pad. Application: F-Ford, F-BMW, F- Renault, F3, gravel rally, slalom (auto cross), hill climb, club racing, show room stock racing.