EnginesRolls-Royce Merlin XIIRolls-Royce Merlin XIIRolls-Royce Merlin XIILayoutVCoolingLiquidFuelPetrolDisplacement27.022 LRatingsRegimePowerAltitudeRpmTakeoff1,175 hp0 m3,000Combat1,280 hp3,200 m3,000Aircraft 2193119321933193419351936193719381939194019411942194319441945Spitfire Mk IIA≈ Sep 1940 – Dec 1941Spitfire Mk IIB