...Brian Crower billet cranks are CNC machined on state-of-the-art mills from round bar, premium 4340 chromoly steel to ensure the strongest possible shaft available...Each Brian Crower crankshaft is nitrided...
...Since the F/IC is a trim device it will not cause the factory ECU to throw a “check engine” light because it allows the user to intercept and modify the cam and crank inputs...