SASOL IPK ( Iso-Paraffinic Kerosene) is a low cetane number synthetic fuel formed from coal by Fischer-Tropsch process which can be used as an extender to JP8, currently used in military ground vehicles. This paper presents two surrogates developed considering the following criteria: (a) availability of kinetic combustion models for each component, (b) smallest number of components to reduce computation time and cost, (c) matching the following properties of target fuel: derived Cetane Number (DCN), distillation curve , density, lower heating value, molecular weight and hydrogen-to-carbon ratio. The autoignition and combustion characteristics of the surrogates were validated in IQT(Ignition Quality Tester) according to ASTM D6890-10a. Surrogate formulation strategy involves an equation to calculate DCN of the surrogate mixture from the DCN of each component. The linear equation commonly used for such calculations was modified to include a multiplier, based on regression analysis, for each component to produces DCN values that agree well with the measured DCN in the IQT.