Optimised oil content for RTR running;Wider tuning band more tolerant to needle mixture;Optimum performance;Smoother transition low to high power;Easy starting

• HPI Optifuel Nitro Car Race Fuel Optimix 5 Litre 16% OP1003

HPI Optifuel Nitro Car Race Fuel Optimix 5 Litre 16% OP1003HPI