Engine Crankshafts

Crankshaft 4340 Forged Steel 302 Race

Part Number: FMS-M-6303-C340

3.0 out of 5 stars ( 1 )

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

Part Number: MAN-190140

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4340 Forged Pro Series Lightweight

Part Number: SCA-44294500-2

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4340 Forged Superlight Crankshaft

Part Number: SCA-4426015-3

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4340 Forged Superlight Crankshaft

Part Number: SCA-4426018-3

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Crankshaft, 2-piece Seal, External Balance, Cast Steel, 3.750 in. Stroke, Chevy, Small Block, Each

Part Number: SUM-180367

5.0 out of 5 stars ( 3 )

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Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS362258

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Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 24X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS1

Part Number: SUM-180LS362224X

3.67 out of 5 stars ( 3 )

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Woodruff Key for Summit Pro LS Crankshaft, Rearward Position, Long Key, zero offset, 1.484 in. Length, 3/16 wide, 1 ea.

Part Number: SUM-161001

4.67 out of 5 stars ( 3 )

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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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Crankshaft, 1 or 2-Piece Seal, 28 oz. External Balance, Cast Steel, 3.85 in. Stroke, Ford, 351W, Each

Part Number: ESP-103513850

5.0 out of 5 stars ( 7 )

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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: Nov 7, 2025 if ordered today

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Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.000 in. Rods, 2.000 Pin, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMM14A-MG

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Estimated Ship Date: Dec 22, 2025 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, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.000 Pin, 350 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMO14A-MG

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Estimated Ship Date: Dec 22, 2025 if ordered today

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CRANKSHAFT

Part Number: CPI-KV3291H-CS

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Estimated Ship Date: Dec 22, 2025 if ordered today

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FORD RS CRANK MODIFIED - FULL COUNTERWEIGHT

Part Number: CPI-QH47KWO-F2

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, Compstar, Sport Series, Knife Edged, Billet 4340 Steel, 3.465 in. / 88 mm Stroke, Mitsubishi, 4G63, 7 Bolt, Each

Part Number: CPI-S23001

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 3.858 in. / 98 mm Stroke, Mitsubishi, 4B11, Each

Part Number: CPI-S23006

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, Compstar, Sport Series, Knife Edged, Billet 4340 Steel, 3.937 in. / 102 mm Stroke, Mitsubishi, 4G63, 7 Bolt, Each

Part Number: CPI-S23009

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, Compstar, Sport Series, Full Counterweight, Billet 4340 Steel, 3.465 in. / 88 mm Stroke, Mitsubishi, 4G63, 6 Bolt, Each

Part Number: CPI-S23013

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, Compstar, Sport Series, Full Counterweight, Billet 4340 Steel, 3.937 in. / 100 mm Stroke, Mitsubishi, 4G63, 6 Bolt, Each

Part Number: CPI-S23015

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 3.413 in. / 86.7 mm Stroke, Ford, EcoBoost, 1.6L, Each

Part Number: CPI-S24002

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Estimated Ship Date: Dec 22, 2025 if ordered today

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COMPSTAR FORD 3.5 ECOBOOST 91.44mm STROKE

Part Number: CPI-S24007

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 3.268 in. / 83 mm Stroke, Internal Balance, Nissan, VG30DETT, Each

Part Number: CPI-S25002

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Estimated Ship Date: Dec 22, 2025 if ordered today

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