2013 Ford Focus ST Supplement Printing 1 - Page 9

Focus ST Unique Features Engine Information Item Configuration Description Transverse mounted I4, cast aluminum cylinder block and cylinder heads 87.5 mm bore x 83.1 mm stroke (3.44 in. x 3.27 in.) 1999 cubic centimeters (122 cubic inches) 9.3:1 252 hp @ 5500 rpm on 93 octane 243 hp @ 5500 rpm on 87 octane 270 lb-ft @ 2500 rpm on 93 octane 270 lb-ft @ 2500 rpm on 87 octane 6500 rpm continuous 6800 rpm 3 second over-rev 126 hp/liter Twin independent variable cam timing Coil-on-plug 150 bar fuel pump 57 mm (2.2 in.) Cast aluminum Cast iron Forged steel Single scroll / 21 psi max boost* 63 mm (2.5 in.) diameter Bore x Stroke Displacement Compression ratio Horsepower Torque Redline Specific output Valvetrain Ignition Fuel system Throttle body Pistons Crankshaft Connecting rods Turbo Exhaust system * SAE Certified Performance ratings are achieved with 19.5 psi, but up to 21 psi can be delivered to maximize power depending on fuel quality and atmospheric conditions. 8 2013 Focus ST (stf) Supplement, 1st Printing USA (fus)