A high octane, oxygenated, unleaded CARB compliant fuel designed to unleash the power of your street legal performance machine. HR 100XP+ will not harm catalytic converters or oxygen sensors, making it the perfect fuel for late-model street-legal performance vehicles: ranging from turbocharged sports cars to normally aspirated muscle cars and high performance sports bikes.
RON 106
MON 95
100.5 R+M/2 (Anti-knock index)
3.50% O2
14 Stoich ratio