Lucas Oil Products - Octane Booster x 4 Bottles Part # 10026 x4 Fuel System Additive Type: Octane boost Gallons of Fuel Treated: 25 Oxygen Sensor Safe: Yes Volume: 15 oz. Lucas Octane Booster is tested and proven to deliver three times more boost than most other brands. Lucas Octane Booster is a genuine performance enhancer! One 15 oz. bottle treats up to 25 gallons of fuel. Lucas Octane Booster is not street legal. Features: * Safe for turbos, oxygen sensors, and catalytic converters * Suitable for use in fuel injected and carbureted engines * Provides more boost than most other brands * Promotes clean fuel burn for fewer emissions