BARDAHL RACING MANUAL GEARBOX ADDITIVE is a gear oil additive that will extend the gearbox lifespan, improve its performance and make gear shifting easier. BARDAHL RACING MANUAL GEARBOX ADDITIVE: -Reduces wear on gear teeth. -Increases gearbox performance thanks to the reduction of friction it will generate. -Lowers the operating temperature. -Reduces oxidation and protects against corrosion. -Makes gear change easier thanks to its lubricating properties. -Reduces gearbox noise. -Protects the gearbox during sprint & endurance races. Compatible with any gear oil. INSTRUCTIONS FOR USE Add the additive into the gearbox oil crankcase. Dosage: from 10 to 20% maximum of the oil crankcase capacity, respecting the recommended oil level. Can be mixed with any type of mineral, semi-synthetic, fully synthetic and Dexron oils.