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R 4SR+ (100RON, 89MON and 1.5% oxygen)


R 4SR+ racing gasoline is formulated from low sensitivity high octane leaded blend stocks, chemically stable oxygenates and selected refinery streams. These make the 4SR+ very stable and resistant to detonation within the MSA Blue book specification for leaded fuels. It is a legal fuel for those series who have sought sanction to use low lead fuels.


Suitable for compression ratios up to 11:1. Meets BS4040.

  • Ethanol free


25 Litre container =£94.80
200 Litre container =£612.00

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