* 5:1 Torque ratio, matches OE specification * Crankshaft pulley bolt is tightened in stages to achieve a final high torque loading * Ensures crankshaft pulley bolt is tightened correctly every time * No need to convert any torque figures or angular inputs * Also required when removing the crankshaft pulley bolt * Max Input torque 300Nm - through 1/2" female drive * Max Output torque 1500Nm - through 3/4" male drive * Includes 21mm/24mm A/F 6 sided sockets * Equivalent to OE tools 303-1611, 303-1611-01, 303-1611-02 * Typical applications: 1.0 EcoBoost Belt-in-oil (2012-2018), 1.0 EcoBoost Chain (2017-) and 1.1 Naturally aspirated engines