Engine Crankshafts

Crankshaft, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APU-31V-AS

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Estimated Ship Date: Monday 10/20/2025

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Gen. V BB Chevy Forged Steel Crank, 4.250 stroke, One Piece Rear Seal, Req's Narrowed Rod Bearings, Lightened Rod Journals, Nitride, 6.385 in. Rod

Part Number: SUM-BBC425063852

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Estimated Ship Date: Monday 10/20/2025

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 5.7L, Each

Part Number: ESP-435337505700

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Crankshaft, 2-Piece Seal, External Balance, Cast Steel, Oldsmobile, 455, 4.250 in. Stroke, Each

Part Number: ESP-104554260

1.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.250 in. Stroke, 2.200 Pin, Mopar, Each

Part Number: CPI-GEP-62L-CS

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Estimated Ship Date: Monday 10/20/2025

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Crankshaft, 1-Piece Seal, External Balance, Cast Steel, 4.00 in. Stroke, Chevy, 454, Each

Part Number: ESP-104564000

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: ESP-434640006100

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Estimated Ship Date: Monday 10/20/2025

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Crankshaft, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Ford, 351W, Cleveland Mains, Each

Part Number: SCA-4351C50

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Estimated Ship Date: Monday 10/20/2025

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Crankshaft, 1-Piece Seal, External Balance, Cast Steel, Standard Snout, Chevy, Small Block, Each

Part Number: ESP-103523750

4.2 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/20/2025

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Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 3.75 in. Stroke, Chevy, 350, Each

Part Number: ESP-103503750

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/20/2025

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Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 3.980 in. Stroke, Ford, 428, Each

Part Number: SCA-942810

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

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Crankshaft, Cast Steel, 3.819 in. Stroke, External Balance, 1-piece Rear Main Seal Style, Chevy, 6.5L Diesel

Part Number: SCA-965L3819

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Crankshaft, 28 oz. External Balance, Forged 4340 Steel, 3.400 in. Stroke, Ford, 302, Each

Part Number: SCA-43023

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

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SB Mopar 340 Forged Steel Crank, 4.000 stroke, 6.123 in. Rod, May Req. Heavy Metal, Lightning Holes on Rod Journals, Narrowed Rod Bearings Req.

Part Number: SUM-MOP3404000

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Estimated Ship Date: Monday 10/20/2025

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Crankshaft Mallory Metal, Heavy Metal, Round, 0.625 in. Diameter, 1.200 in. Length, Each

Part Number: SCA-HM-625X1-200

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Estimated Ship Date: Monday 10/20/2025

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

Part Number: MAN-190310

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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Crankshaft, External Balance, Cast Steel, 4.25 in. Stroke, Chevy, 454, Each

Part Number: SCA-945420

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

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Crankshaft, Stroker Lightweight, 2-Piece Seal, Internal Balance, Cast Steel, 3.895 in. Stroke, Jeep, 4.2L

Part Number: SCA-942010

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Crankshaft, 3.622 in. Stroke, Nodular Iron, Internal Balance, 1-Piece, 58 Tooth Reluctor, LS2, Each

Part Number: NAL-12736808

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Estimated Ship Date: Monday 10/20/2025

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 6.385 Rod, Chevy, 454, Each

Part Number: SCA-445425

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 26, 2025 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Chevy, Each

Part Number: ESP-434641256100

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.75 in. Stroke, Pontiac, Each

Part Number: ESP-104013750

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/20/2025

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.750 in. Stroke, 2.200 Pin, Chevrolet, Each

Part Number: CPI-BBS425-CS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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

Part Number: ESP-440037505700

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Crankshaft, Cast Steel, One Piece Rear Main Seal, 3.750 in. Stroke, Use With 6.00 in. Rod, Chevy, 350, Each

Part Number: SCA-935060L

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/20/2025

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