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BC crankshafts are made from the finest, aerospace grade 4340 steel billet material. CNC machined on state of the art, 5 axis Mazak Integrex 300-IV CNC machines to exacting tolerances (.0001"). Every crankshaft features large radius journals that add rigidity for high horsepower, high boost, high rpm applications. Gun drilled, CNC ground oil holes feature a smooth surface for extra oiling, tear dropped for added oil scoop, cross drilled for priority main feeding to the rods and micro polished to a mirror finish for optimum bearing lubricity. All cranks are stress relieved, shot peened, magna flux inspected and nitrided (multi step heat treatment) for ultimate performance. Fully profiled counterweights are designed for reduced windage through the crankcase creating less oil resistance for better rpm potential.

Part # Description # Stroke Crank Pin Main Buy Now Status
BC5205 CRANKSHAFT - Nissan SR20DE(T) GTiR, 4340 Billet 91mm 47.96mm 54.965mm In-Stock
BC5209 CRANKSHAFT - Nissan SR20DE(T), 4340 Billet (36.2 lbs) 91mm 47.96mm 54.965mm In-Stock
BC5209LW CRANKSHAFT - Lightweight Nissan SR20DE(T), 4340 Billet (29.8 lbs) 91mm 47.96mm 54.965mm In-Stock
619.749.9018 ph
619.749.9128 fx
Some products listed are not legal for sale or use on emission controlled motor vehicles, RPM ranges vary on application.Warranty Information Copyright © Brian Crower Inc. All rights reserved..   Follow runBC on Twitter     
WARNING: This product can expose you to chemicals, including Chromium (hexavalent compounds), lead and lead compounds, which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.p65warnings.ca.gov