RATMAN 109 is an oxygen rich, high octane unleaded fuel designed specifically for today’s high revving engines that need to run a true unleaded fuel. It is devoid of compounds that are known to be harmful to catalytic converters or oxygen sensors. RATMAN 109 is a high-density blend that enhances performance in forced induction (turbo or blown).
104 R+M/2 (Anti-knock index)
13.87 Stoich ratio
19 litre barrel
Birch Performance say: High power unleaded fuel. Meets or exceeds the performance of any other Unleaded competitor. Sensible oxygen level means this fuel wont run your fuel system over the edge like some other fuels, but always best to run with a tune.