BC performance crankshafts are CNC-machined from 4340 non-twist forgings in 4.000", 4.125", and 4.250" stroke ranges. Counterweight ODs are designed for 6.100" to 6.125" length rods and approx. 1875g bobweights. Fully CNC-machined on 5-axis machining centers. Oil holes for optimal oiling possible. The snout features dual keyways (OEM is single keyway) and is gun-drilled through the center for weight reduction without sacrificing strength.
Applications
- Chevrolet LS Series, 4.100" stroke, with 58-tooth reluctor wheel
