Engine Crankshafts

Crankshaft Mallory Metal, Heavy Metal, Round, 0.750 in. Diameter, 0.800 in. Length, Each

Part Number: SCA-HM-750X-800

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.210 in. Stroke, Pontiac, 455, Each

Part Number: ESP-445542106625

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Estimated Ship Date: Dec 1, 2025 if ordered today

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Crankshaft, Forged 4340, Internal Balance, 4.750 in. Stroke, 6.700 Rod, Chevy Big Block, 8.1L, Each

Part Number: SCA-481030

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Crankshaft, Excalibur, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each

Part Number: SCA-735056

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.210 in. Stroke, 2.249 Rod Bearings, Each

Part Number: ESP-440042106625

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Estimated Ship Date: Dec 1, 2025 if ordered today

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CRANKSHAFT-CHEVY LT1 3.622

Part Number: MAN-194158

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Crankshaft, Cast Steel, 3.750 in. Stroke, Chevy, 400, OEM Balance, 2-Piece Seal, Each

Part Number: SCA-910400

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Key Stock, 8630 Aloy Steel, 3/16 in. x 3/16 in., 2.875 in. Length, Each

Part Number: ATI-916325

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Crankshaft, Excalibur, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 350, Each

Part Number: SCA-735076

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Woodruff Keys, Crankshaft, 3/16 in. Width, 1.406 in. Length, Ford, Pair

Part Number: PIO-839048

4.76 out of 5 stars ( 21 )

Estimated Ship Date: Today

Crankshaft Mallory Metal, Heavy Metal, Round, 0.750 in. Diameter, 1.200 in. Length, Each

Part Number: SCA-HM-750X1-200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: SCA-440086

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Forged 4340 Standard Weight

Part Number: SCA-4426015

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Crankshaft Mallory Metal, Heavy Metal, Round, 0.875 in. Diameter, 1.000 in. Length, Each

Part Number: SCA-HM-875X1-000

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Woodruff Keys, Crankshaft, 3/16 in. Width, 1.750 in. Length, Ford, Pair

Part Number: PIO-839012

3.08 out of 5 stars ( 12 )

Estimated Ship Date: Today

Crankshaft Mallory Metal, Heavy Metal, Round, 0.750 in. Diameter, 1.000 in. Length, Each

Part Number: SCA-HM-750X1-000

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.100 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: MAN-190158

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Estimated Ship Date: Dec 15, 2025 if ordered today

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

Part Number: ESP-435037505700

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Crank Installation Kit, Bolt Protectors, Assembly Lube, Spiral Cleaning Brush, Plastigage, Kit

Part Number: SES-3-60-11-101

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Today

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-435061LW

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Estimated Ship Date: Jan 5, 2026 if ordered today

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Crankshaft, 1-Piece Seal, External Balance, Cast Steel, 4.25 in. Stroke, Chevy, 454, Each

Part Number: ESP-104564250

5.0 out of 5 stars ( 2 )

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.000 in. Stroke, Dodge, Plymouth, 340, Each

Part Number: SCA-934020

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Woodruff Key, Long, .188 in. x 1.375 in., Chevy, Chrysler, Pontiac, Set of 2

Part Number: PIO-839010

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.000 in. Stroke, 6.135 Rod, Chevy, 454, Each

Part Number: SCA-445410

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Crankshaft Key, Short, 2 Degree Offset, Chevy, Ford, Pontiac, Chrysler, Each

Part Number: MRG-987G

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Today