New STAGE6, developed to ensure greater recovery and top speed. Optimized for use with Streetrace or Sport thermal groups in combination with Pro Replica or Pro mingers. The kit includes the variator equipped with tracks subjected to hardening treatment, flat roller guide subjected to low friction coefficient treatment, contrast spring, shavings, bushing and a series of rollers. The supplied series of rollers is suitable for use with original thermal groups, combined with the Pro Replica ming ming.