Overview Reviews Product Description Brian Crower Crankshaft - 2016+ Polaris XPTurbo 68mm Stroke 4340 Billet Product Videos Custom Field MPN BC5910 Product Reviews Write a Review Write a Review × Brian Crower Brian Crower Crankshaft - 2016+ Polaris XPTurbo 68mm Stroke 4340 Billet - BC5910 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *