LW95121 - Crower SB-Chevy Light-Weight Crankshafts

Our 4340 Light-Weight includes standard features like straight shot oiling, 1/8" radii, heat treat, plus lightweight profiling, center counterweight removal, four lightening holes and radius edges. Smaller O.D. reduces rotating mass for quicker response, and less drag. 100% American made. Perfect choice for 50lb class restrictions. 48-51 lbs (determined by stroke, rod and main size)