Scat introduces 4340 forged crankshafts for your Chevy the F43 series. These super-lightweight crankshafts are nitride-hardened for superior wear resistance. Features include: Straight shot and chamfered oil holes Profiled counterweights. Pendulum-cut counterweights. Gun-drilled main line hole for lightening and equalization of crankcase pressure. Four lightening holes.

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SCAT Crankshaft, Internal Balanced, 2-Piece, Forged 4340 Steel, F43 Lightweight, 3.750 in. Stroke, For Chevrolet Small Block, Each

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SCAT Crankshaft, Internal Balanced, 2-Piece, Forged 4340 Steel, F43 Lightweight, 3.750 in. Stroke, For Chevrolet Small Block, Each

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SCAT Crankshaft, Internal Balanced, 2-Piece, Forged 4340 Steel, F43 Lightweight, 3.500 in. Stroke, For Chevrolet Small Block, Each

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SCAT Crankshaft, Internal Balanced, 2-Piece, Forged 4340 Steel, F43 Lightweight, 3.480 in. Stroke, For Chevrolet Small Block, Each

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SCAT Crankshaft, Internal Balanced, 2-Piece, Forged 4340 Steel, F43 Lightweight, 4.000 in. Stroke, For Chevrolet Small Block, Each

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SCAT Crankshaft, Internal Balanced, 2-Piece, Forged 4340 Steel, F43 Lightweight, 3.480 in. Stroke, For Chevrolet Small Block, Each

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