Royal Purple : ROY11757

SKU: ROY11757

• Reduces engine knocking and pinging
• Raises octane rating up to 30 points or 3 numbers
• Restores power and fuel economy
• Cleans deposits from fuel injectors
• Restores lost power due to knock-retard in computer controlled engines
• Replaces lead additives for protection of non-hardened valve seats
• Stabilizes fuel

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