CHEVROLET Engines & Components

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-LW95121

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-LW95125

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-ML95128

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95127

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Engine Block, Aluminum, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: BRO-8B1050C

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-LW95129

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Estimated Ship Date: Jul 16, 2026 if ordered today

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Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.375 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-E95136X4

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Estimated Ship Date: Jul 16, 2026 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, Each

Part Number: CRO-95122

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Estimated Ship Date: Jul 16, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.000 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-UL95115

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Estimated Ship Date: Jul 16, 2026 if ordered today

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Crankshaft, Enduro, 3.750 in. Stroke, Custom Balance, Forged 4340 Steel, 2-piece Rear Main Seal Style, Chevy

Part Number: CRO-E95125X4

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Estimated Ship Date: Jul 16, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.50 in. Stroke, Chevy, 454, Each

Part Number: CRO-E95137X4

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Estimated Ship Date: Jul 10, 2026 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, Each

Part Number: CRO-95125

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Estimated Ship Date: Jul 3, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-ML95137

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Estimated Ship Date: Jul 10, 2026 if ordered today

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Crankshaft, Forged 4340 Steel, 3.760 in. Stroke, External Engine Balance, Chevy, 396, 402, 427, Each

Part Number: CRO-E95132X4

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Estimated Ship Date: Jul 10, 2026 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, Custom Order, Chevy, Each

Part Number: CRO-95120

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Estimated Ship Date: Jul 3, 2026 if ordered today

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Crankshaft, Forged 4340 Steel, 3.480 in. Stroke, 2-piece Rear Main, Internal Engine Balance, Chevy, 305, 350

Part Number: CRO-E95121X4

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Estimated Ship Date: Jul 3, 2026 if ordered today

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Engine Block, Aluminum, 4-Bolt Mains, 4.125 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: BRO-8B1000A

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Estimated Ship Date: Apr 21, 2026 if ordered today

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Engine Block, Aluminum, 4-Bolt Mains, 4.000 in. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each

Part Number: BRO-8B1150-A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 21, 2026 if ordered today

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Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.750 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-E95140X4

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.250 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-LW95119

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.625 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-LW95124

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Custom Order, Chevy, 454

Part Number: CRO-LW95134

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95121

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.625 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95124

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Estimated Ship Date: Jul 13, 2026 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, Each

Part Number: CRO-95133

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Estimated Ship Date: Jul 13, 2026 if ordered today

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