Royal Purple Max Boost Octane Booster - 16 oz.

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About this item replaces lead additives for protection of non-hardened valve seats raises octane rating up to 30 points or 3 numbers restores power and fuel economy while cleaning deposits from fuel injectors reduces power loss due to knock-retard in computer-controlled vehicles reduces engine knocking/pinging and stabilizes fuel max-boost is a racing formula and is not street legal. Fit type: Vehicle Specific Show more