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A key player in our plan to bump up the displacement of our LS2 block is this four-inch stroke Lunati crank. Forged from 4340 material and then Ion Nitrided, this crank features main journal gun drilling as well as rod journal lightening. More importantly, it will be able to hold up to the stresses associated with a supercharged engine. Turn Key specified that the crank come with a 24x reluctor wheel for easy programming.