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Brian Crower lightweight crankshaft for the BMW S58B30T0 is a 4340 billet crank with a 96mm stroke, offered as a reduced-mass rotating assembly component for high-performance builds. As a billet crank option, it is targeted toward engine builders seeking durable material and balanced stroke characteristics for modified S58 engines where a lightweight crankshaft can aid in responsiveness and RPM capability.
Brian Crower BMW S58B30T0 Lightweight Crankshaft - 96mm Stroke/4340 Billet
