Lucas Oil 15 oz. Octane Booster. Tested and proven to deliver three times more boost than most other brands, this octane booster is for use in fuel injected and carbureted engines. It meets ASTM D1298/D445/D93 specifications and is OSHA 29 CFR 1910.1200 Approved.

• 15 oz.
• 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
• Stops knocks, and raises MPG in high compression engines.