Seller notes

Part# D333M81-CSCallies Compstar crankshafts are a very popular upgrade amongst engine builds here at DHD. The Compstar Duramax crank is designed to be substantially stronger than the OE versions. This increase in strength centers around unique machining features, stronger steel material and a deeper nitride layer. Unlike the Ultra Billet Callies cranks, Compstar crankshafts are intended to be externally balanced with stock style damper and flywheel configurations. Billet flywheels and upgraded ...

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