Crankshafts

400 2-PC REAR SEAL CHEVY

Part Number: SCA-940020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 9, 2026 if ordered today

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F-CRANKSHAFT

Part Number: NAL-12588615

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Estimated Ship Date: Feb 12, 2026 if ordered today

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Crankshaft, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each

Part Number: CPI-APP-31V-AS

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Estimated Ship Date: Monday 11/3/2025

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Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 3.895 in. Stroke, AMC, 4.0L, Each

Part Number: CPI-S28000

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Estimated Ship Date: Monday 11/3/2025

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

Part Number: SCA-440072LW

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Estimated Ship Date: Monday 11/3/2025

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351 STD WEIGHT

Part Number: SCA-4351C65

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Estimated Ship Date: Monday 11/3/2025

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

Part Number: SCA-445425-2

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Estimated Ship Date: Monday 11/3/2025

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4340 Forged Pro Series Lightweight

Part Number: SCA-445425C-2

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Estimated Ship Date: Monday 11/3/2025

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FLATHEAD FORD

Part Number: SCA-923920

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Estimated Ship Date: Monday 11/3/2025

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SB Mopar 340 Forged Steel Crank, 3.580 stroke, 6.123 in. Rod, May Req. Heavy Metal, Lightning Holes on Rod Journals, Narrowed Rod Bearings Req.

Part Number: SUM-MOP34033106

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Estimated Ship Date: Monday 11/3/2025

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

Part Number: SUM-SBC35040002P

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Estimated Ship Date: Monday 11/3/2025

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CRANK-4340 4.000 STROKE

Part Number: MAN-192124

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Estimated Ship Date: Monday 11/3/2025

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.500 in. Stroke, 6.385 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBG42B-MG

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Estimated Ship Date: Monday 11/3/2025

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Chevy Gen. 5 LT, 4340 Forged Steel Crankshaft, 4.000 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LT400058

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Estimated Ship Date: Monday 11/3/2025

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4340 Forged Superlight Crankshaft

Part Number: SCA-4426018-3

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Estimated Ship Date: Monday 11/3/2025

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400 2-PC REAR SEAL, SUPERLIGHT CHEVY

Part Number: SCA-440086-3

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Estimated Ship Date: Monday 11/3/2025

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4340 Forged Superlight Crankshaft

Part Number: SCA-4426015-3

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Estimated Ship Date: Monday 11/3/2025

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Crankshaft 4340 Forged Steel 302 Race

Part Number: FMS-M-6303-C340

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/3/2025

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Crankshaft, 1-Piece Seal, Internal/External Balance, Forged Steel, 3.86 in. Stroke, Chevy, Each

Part Number: NAL-12708884

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Estimated Ship Date: Feb 25, 2026 if ordered today

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CRANKSHAFT

Part Number: NAL-12732515

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Estimated Ship Date: Feb 26, 2026 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.100 Pin, 350 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMO11A-MG

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Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: HRS-H454256322T

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Estimated Ship Date: Dec 23, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, 350, Each

Part Number: ESP-435035005700

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Estimated Ship Date: Dec 5, 2025 if ordered today

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CRANKSHAFT

Part Number: ESP-428137502000

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Estimated Ship Date: Dec 5, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.20 Rod Bearings, Each

Part Number: ESP-440042506700

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Estimated Ship Date: Dec 5, 2025 if ordered today

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