At the heart of the sr3 sl beats the advanced ford ecoboost engine turbocharged and with 300 bhp it has direct fuel injection and a fly by wire throttle coupled to a six speed paddleshift to allow for lightning quick 80ms gear changes a line drawing design from pistonheads this is original art inspired by radical it is unofficial and in no way associated with radical radical and related marks are registered trademarks of radical sportscars limitedour crew neck short sleeved mens t