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