Description Manley Turbo Tuff Billet 4340 crankshafts are the perfect crank to complete a stout bottom end build if massive horsepower is your goal. Manley Turbo Tuff Series Billet Mitsubishi 7 bolt crankshafts feature uniquely designed, ultra-lightweight, full contoured counterweights resulting in reduced windage and maximum performance. * Specs: * Multi-step heat treatment process * Nitrided, Stress Relieved and Shot Peened * 100% Magnafluxed * Gun drilled crank pin and counterweights * Be sure you know wether you have a 6 bolt or a 7 bolt 4G63 before ordering. 100mm / 38 lbs Stroke Turbo Tuff Series
