Manley Engines & Components

Crankshaft, Internal Balance, Forged 4340 Steel, 3.48 in. Stroke, Chevrolet, Small Block, Each

Part Number: MAN-190310

5.0 out of 5 stars ( 2 )

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340, 3.750 in. Stroke, 2.45 Mains, Chevy, 5.7, 6.6L, Each

Part Number: MAN-190150

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Estimated Ship Date: May 8, 2026 if ordered today

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Crankshafts, SBC 4340 Forged Lightweight Crankshaft. 3.480" stroke, 48-50 lb. total weight, 2.100" rod journal, two piece rear main seal

Part Number: MAN-190310NB

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KIT-SBC 383 3.750/4.040

Part Number: MAN-290940

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030H

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030R

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.040

Part Number: MAN-290940R

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030RH

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.040

Part Number: MAN-290040RH

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340, 4.000 in. Stroke, 2.45 Mains, Chevy, 5.7, 6.6L, Each

Part Number: MAN-190130

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.040

Part Number: MAN-290940RH

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.030

Part Number: MAN-290040H

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KIT-SBC 383 3.750/4.040

Part Number: MAN-290040

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.040

Part Number: MAN-290940H

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ROTATING ASSEMBLY KIT-SBC 383 3.750/4.040

Part Number: MAN-290040R

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Estimated Ship Date: May 8, 2026 if ordered today

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KIT-SBC 383 3.750/4.030

Part Number: MAN-290030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 8, 2026 if ordered today

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