Newest compound, increased grip. MAXXTRAC silicone rear slicks (PAIR) for Carrera Subaru WRC, Ford Mustang GT FR500C & Dodge Charger SRT8 (Street Version), Scalextric Lotus Evora - Rounded tire sidewalls for realistic tire appearance and Part Number markings on the rear face of each tire - Super tough abrasion resistant rubber (suitable for Ninco and all other track surfaces