NF Adrenaline Race Fuel Concentrate - 1 Litre. 1 tin (1 litre) mixed with 80 litres of pump fuel increases petrol octane by 5 RON. NF Adrenaline is a fully synthetic racing octane booster that not only raises octane more than its competitors, but also includes a power booster which increases the energy in the fuel, giving even better performance.
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