- Nitro Fuel cannot be shipped outside Ireland
- Optifuel Car Fuel RTR 16% 5 Litre
- OPTIMIX RTR 16 OPTIMIX RTR 16-5 is supplied as a 5lt container and is 16% nitromethane with 15% fully synthetic oil from KLOTZ. This is a very high performance RTR fuel for general use not race applications. The tuning band on RTR fuels are wider and therefore a little less critical.