The Brian Crower billet crankshaft is a 4340 steel crank specified for BMW M50 and M52 applications with a 95.6mm stroke. Offered as a billet unit, it targets engine builders replacing or upgrading stock crankshafts in those engine families. The description identifies material and stroke without additional performance claims, presenting a direct-fit crank for M50/M52 rebuilds.
Brian Crower BMW M50/M52 95.6mm Stroke 4340 Billet