Engine Crankshafts

SB Mopar 360 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-MOP3604000

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, 6.535 Rod, Chevy, 454, Each

Part Number: SCA-445430

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Estimated Ship Date: May 26, 2026 if ordered today

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Crankshaft Key, 5.750 in. Long, 1/8 in. Wide, 1/8 in. Tall, Steel, Each

Part Number: ATI-916327

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Crankshaft, Remanufactured, Crank Kit, 3.480 in. Stroke, Steel, Internal Balance, 1-Piece Seal, Bearings included, Chevy, GMC, 5.7L, Kit

Part Number: EGN-125100

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, Small Block, Each

Part Number: SCA-435021LW

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Estimated Ship Date: May 27, 2026 if ordered today

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Crankshaft, Compstar, 2-piece Rear Main Seal Style, Internal Engine Balance, Forged 4340 Steel, 3.480 in. Stroke, Lightened, Chevrolet, 5.7L, Each

Part Number: CPI-SAF143-CC

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445425C

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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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 3/23/2026 if shipped by air

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.625 in. Stroke, 2.200 in. Pin, Chevrolet, Each

Part Number: CPI-BBR425-CS

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.750 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445440C

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: SCA-435056

5.0 out of 5 stars ( 3 )

Estimated Ship Date: May 28, 2026 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, 2.100 in. Pin, Chevy, 350

Part Number: CPI-SAO113-CS

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Estimated Ship Date: Jun 16, 2026 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-4350350057FW

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Estimated Ship Date: May 12, 2026 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.100 in. Stroke, Internal Balance, Ford, 351W, Each

Part Number: SCA-4351W60

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Woodruff Key, Short, 0 degree Offset, Steel, Natural, 0.728 in. Length, Set of 25

Part Number: RNB-595-061

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Crankshaft Key, Steel, Natural, 0 Offset, Jeep, AMC Engine, L6, Each

Part Number: CWA-J3107234

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

Crankshaft, Standard Weight, Forged 4340 Steel, 3.750 in. Stroke, Internal Balance, Chrysler, 383, 400, Each

Part Number: SCA-438310

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Estimated Ship Date: May 27, 2026 if ordered today

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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 3/23/2026 if shipped by air

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

Part Number: SCA-735050

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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

Part Number: MAN-191832

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Estimated Ship Date: May 5, 2026 if ordered today

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Crankshaft, 28 oz. External Balance, Forged 4340 Steel, 3.250 in. Stroke, Ford, 302, Each

Part Number: SCA-43022

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.150 in. Stroke, 2.200 Pin, Mopar, Each

Part Number: CPI-GE2-62L-CS

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.375 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBB425-CS

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Estimated Ship Date: Jun 15, 2026 if ordered today

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Woodruff Keys, Assortment, Short, 0 degree Offset, Steel, Natural, Set of 5

Part Number: RNB-13125

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

Crankshaft, Internal Balance, Forged 4340 Steel, 3.85 in. Stroke, Ford, 351W, Each

Part Number: SCA-4351W45

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Estimated Ship Date: May 27, 2026 if ordered today

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