Delivers three times more boost than most other brands Stops knocks and and raises MPG in high compression engines Safe for turbos, oxygen sensors, and catalytic converters Lucas Octane Booster - A real octane booster!?Tested and proven to deliver three times more boost than most other brands. Lucas Octane Booster is a GENUINE performance enhancer! It&';s safe for turbos, oxygen sensors, and catalytic converters. Stops knocks and raises MPG in high compression engines.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }