Brian Crower Crankshaft | Multiple Chevrolet LS Fitments (BC5457U)
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BC performance crankshafts are CNC milled from 4340 non-twist forgings in a stroke range of 4.000", 4.125" and 4.250". Counterweight O.D. is designed for 6.100" to 6.125" length rod, approx. 1875g bobweight. Fully CNC'd on 5-axis machining centers, including oil holes for the best oiling possible. Includes 2 keyways on the snout (OEM is 1 keyway) for added keyway support in heavy duty applications, gun-drilled down the center to lighten it up without compromising strength.
- Chevrolet LS Series, 4.100" Stroke with 58 Tooth Reluctor Wheel