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Manley Pro Series Crankshafts

4.88 out of 5 stars 8 Customer Reviews

Manley Pro Series crankshafts can make your short block bulletproof. They feature forged 4340 construction and undergo a multi-step heat-treatment process and are then nitrided for added strength. The crankshafts are stress-relieved, shot-peened, and magnafluxed. Manley Pro Series crankshafts have micro-polished large .125 in. radius journals, gun-drilled mains, and lightened rod journals for weight reduction. The counterweights are fully profiled and they are designed for internal balancing.

Results 1 - 25 of 25

CRANK-4340 FORGE 3.543 STROKE

Part Number: MAN-190350

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, 350 Mains, Chevy, 5.7, Each

Part Number: MAN-190190

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

CRANK-4340 FORGE 4.050 STROKE

Part Number: MAN-191858

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

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: Tomorrow

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Estimated Ship Date: Tomorrow

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190280

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

Crankshafts, 1-piece Seal, Forged 4340 Steel, 4.100 in. Stroke, Internal Balance, Ford, Each

Part Number: MAN-190340

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

CRANKSHAFT

Part Number: MAN-190360

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

CRANKSHAFT-CHEVY LT1 4.000

Part Number: MAN-194258

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.050 in. Stroke, Mopar Hemi V8 Modular, Each

Part Number: MAN-191832

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

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

Part Number: MAN-190058

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Crankshaft, Chevy LS, forged, 4.000 stroke, lightweight, 58 tooth reluctor wheel, long snout

Part Number: MAN-192658

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

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Estimated Ship Date: Sep 17, 2025 if ordered today

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.00 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190170

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

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Estimated Ship Date: Sep 17, 2025 if ordered today

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

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

Crankshaft, 1-Piece Seal, Internal Balance, Lightweight, 4340 Billet, 4.000 Stroke, Chevy, LS1, Each

Part Number: MAN-190858B

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

CRANKSHAFT-4.050 HEMI 58T RELU

Part Number: MAN-191958

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

Crankshaft, Chevy big block, forged, 4.375 stroke, w/ center counterweights

Part Number: MAN-190320

Not Yet Reviewed

Estimated Ship Date: Sep 16, 2025 if ordered today

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Estimated Ship Date: Sep 16, 2025 if ordered today

CRANK-4340 FORGE 4.375 STROKE

Part Number: MAN-190250

Not Yet Reviewed

Estimated Ship Date: Sep 17, 2025 if ordered today

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Estimated Ship Date: Sep 17, 2025 if ordered today

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

Part Number: MAN-190124

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

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

Part Number: MAN-190158

Not Yet Reviewed

Estimated Ship Date: Sep 15, 2025 if ordered today

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Estimated Ship Date: Sep 15, 2025 if ordered today

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

Part Number: MAN-190024

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Crankshafts, Chevy LS 4340 Forged Lightweight Crankshaft. 58 tooth reluctor wheel, 4.000" stroke, 50-52 lb. total weight. Not balanced

Part Number: MAN-190058NB

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 7.4L, Each

Part Number: MAN-190140

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Sep 8, 2025 if ordered today

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Estimated Ship Date: Sep 8, 2025 if ordered today

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

Not Yet Reviewed

Estimated Ship Date: Aug 26, 2025 if ordered today

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Estimated Ship Date: Aug 26, 2025 if ordered today

CRANK-4340 FORGE 4.250 STROKE

Part Number: MAN-190290

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 18, 2025 if ordered today

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Estimated Ship Date: Sep 18, 2025 if ordered today

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