Engine Crankshafts

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 454, Each

Part Number: ESP-445640046135

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.250 in. Stroke, Ford, 302, Each

Part Number: ESP-430232525400

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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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 4/27/2026 if shipped by air

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Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 24X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS362224

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.580 in. Stroke, Chrysler, 360, Each

Part Number: ESP-436035806123

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Estimated Ship Date: Jun 17, 2026 if ordered today

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Crankshaft, Internal Balance, Forged 4140 Steel, 3.625 in. Stroke, Buick, 3.8L, Each

Part Number: ESP-523136255967

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Crankshaft, 2-piece Seal, External Balance, Cast Steel, 4.500 in. Stroke, 2.200 in. Pin, Oldsmobile, 455, Each

Part Number: ESP-104554500

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Estimated Ship Date: Jun 17, 2026 if ordered today

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Crankshaft Mallory Metal, Heavy Metal, Round, 0.750 in. Diameter, 1.000 in. Length, Each

Part Number: SCA-HM-750X1-000

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

SB Chevy Forged Steel crankshaft, 3.750 Stroke, Two Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, Designed for 6.000 in. Rod

Part Number: SUM-SBC4003750

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Summit 4340 Forged Crankshaft, SBF Windsor, 3.000 in Stroke, 28 oz. Balancer, Narrowed Rod Bearings, 1.375 Pilot Bearing, Designed for 5.090 in. Rod

Part Number: SUM-SBF3023000E

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, 2.20 Rod Bearings, Each

Part Number: ESP-440045006800

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Estimated Ship Date: Jun 18, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 454, Each

Part Number: ESP-445642526385

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 7.0L, Each

Part Number: ESP-442740006100

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Crankshaft Mallory Metal, Heavy Metal, Round, 1.250 in. Diameter, 1.200 in. Length, Each

Part Number: SCA-HM1-250X1200

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.375 in. Stroke, Chrysler, 413, 426, 440, Each

Part Number: ESP-444243757100

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Estimated Ship Date: Jun 18, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.210 in. Stroke, Pontiac, 455, Each

Part Number: ESP-445542106625

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Estimated Ship Date: Jun 17, 2026 if ordered today

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BB Ford 460 Forged Steel crank, 4.150 Stroke, Designed for 6.700 in. Rod, Nitride Hardened, Straight Shot oiling, Req's narrowed Rod Bearings

Part Number: SUM-BBF460415067

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.000 in. Stroke, Chevy, 327, Small Journal, Each

Part Number: ESP-432730005700

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Estimated Ship Date: Jun 18, 2026 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Chevy, Big Block, Tall Deck, Each

Part Number: ESP-445445006535

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Estimated Ship Date: Jun 17, 2026 if ordered today

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SB Windsor 4340 Forged crank, 3.000 in. stroke, 5.400 in. Rod, Internally Balanced, Req's Narrowed Rod Bearings, one or two piece rear main seal

Part Number: SUM-SBF3023000I

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Part Number: ESP-435040006000

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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BB Ford 460 Forged Steel crank, 4.500 Stroke, Designed for 6.700 in. Rod, Nitride Hardened, Straight Shot oiling, Req's narrowed Rod Bearings

Part Number: SUM-BBF460450022

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, LS, Each

Part Number: ESP-434736226100

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 400, Each

Part Number: ESP-440034805700

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Estimated Ship Date: Jun 17, 2026 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.375 in. Stroke, Chevy, 454, Each

Part Number: ESP-445443756385

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Estimated Ship Date: Jun 17, 2026 if ordered today

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