BC5901 - POLARIS XP1000 BC BILLET CRANK 78mm
BC 78mm XP 1000 (180° pin) Stroker (+4.5mm) CNC machined from 4340 billet round bar. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights, rod and main journals are finish sized to work with blue or green Polaris bearings using aftermarket rods. No balancing required prior to installation due to 180° offset pins.
Rod Journal 40.93mm
Main Journal 40.98mm
Weight 19.2 Lbs