Eagle Forged 4340 Steel Crankshafts

4.45 out of 5 stars 51 Customer Reviews

Eagle forged 4340 steel crankshafts are great for high performance applications. They feature non-twist forging, undergo a multi-stage heat-treatment process, and a

Eagle forged 4340 steel crankshafts are great for high performance applications. They feature non-twist forging, undergo a multi-stage heat-treatment process, and are stress-relieved and shot-peened. These cranks are X-rayed, magnafluxed, and sonic-tested, so you know you're getting a top-quality piece. Each crankshaft has chamfered oil holes for improved oiling, a .125 in. radius on rod and main journals for increased strength, and the journals are precision-ground and micro-polished to less than 5 R.A. A target bob weight of +/- 2 percent greatly reduces balancing time. Many options are available; order the model r

Results 1 - 25 of 84

Eagle Forged 4340 Steel Crankshafts 432732505700

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.250 in. Stroke, for Use with Small Journal Engines Only, Chevrolet, 5.3L, 5.4L, Each

Part Number: ESP-432732505700

Not Yet Reviewed

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Eagle Forged 4340 Steel Crankshafts 444037506760

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chrysler, 413, 426, 440, Each

Part Number: ESP-444037506760

5.0 out of 5 stars ( 1 )

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Eagle Forged 4340 Steel Crankshafts 445640046135

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 )

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Eagle Forged 4340 Steel Crankshafts 446043002200

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.300 in. Stroke, Ford, 429, 460, Each

Part Number: ESP-446043002200

4.0 out of 5 stars ( 1 )

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Eagle Forged 4340 Steel Crankshafts 445442526385

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

Part Number: ESP-445442526385

3.5 out of 5 stars ( 2 )

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Eagle Forged 4340 Steel Crankshafts 435337505700

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 5.7L, Each

Part Number: ESP-435337505700

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Eagle Forged 4340 Steel Crankshafts 445642526385

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: Oct 13, 2025 if ordered today

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Estimated Ship Date: Oct 13, 2025 if ordered today

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Eagle Cast Steel Crankshafts 104564250

5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Eagle Forged 4340 Steel Crankshafts 430234025400

Crankshaft, 1-Piece Seal, Internal Balance, 4340 Forged, 3.40 in. Stroke, Ford, Lincoln, Mercury, Each

Part Number: ESP-430234025400

Not Yet Reviewed

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Eagle Forged 4340 Steel Crankshafts 435037505700

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

Part Number: ESP-435037505700

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Eagle Forged 4340 Steel Crankshafts 446045002200

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Ford, 429, 460, Each

Part Number: ESP-446045002200

4.0 out of 5 stars ( 2 )

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Eagle Forged 4340 Steel Crankshafts 434736226100

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

Part Number: ESP-434736226100

Not Yet Reviewed

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Eagle Forged 4340 Steel Crankshafts 440037505700

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 400, Each

Part Number: ESP-440037505700

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Eagle Forged 4340 Steel Crankshafts 435040006000

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

Part Number: ESP-435040006000

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Eagle Forged 4340 Steel Crankshafts 423134005967

Crankshaft, 2-Piece Seal, Internal Balance, Forged Steel, Standard Snout, Buick, V6, Each

Part Number: ESP-423134005967

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Eagle Forged 4340 Steel Crankshafts 435140006200

Crankshaft, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Ford, 351W, Each

Part Number: ESP-435140006200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Eagle Forged 4340 Steel Crankshafts 440040006000

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 400, Each

Part Number: ESP-440040006000

Not Yet Reviewed

Estimated Ship Date: Sep 2, 2025 if ordered today

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Estimated Ship Date: Sep 2, 2025 if ordered today

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Summit Racing™ Forged Crankshafts SUM-SBC4004000

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Eagle Forged 4340 Steel Crankshafts 442740006100

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

Part Number: ESP-442740006100

Not Yet Reviewed

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Eagle Forged 4340 Steel Crankshafts 440038756000

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 400, Each

Part Number: ESP-440038756000

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Eagle Forged 4340 Steel Crankshafts 430232525400

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

Part Number: ESP-430232525400

Not Yet Reviewed

Estimated Ship Date: Sep 9, 2025 if ordered today

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Estimated Ship Date: Sep 9, 2025 if ordered today

Eagle Forged 4340 Steel Crankshafts 435041256000

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Chevy, 350, Each

Part Number: ESP-435041256000

Not Yet Reviewed

Estimated Ship Date: Sep 4, 2025 if ordered today

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Estimated Ship Date: Sep 4, 2025 if ordered today

Eagle Forged 4340 Steel Crankshafts 439637666135

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.766 in. Stroke, Chevy, 396, 427, Each

Part Number: ESP-439637666135

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Oct 8, 2025 if ordered today

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Estimated Ship Date: Oct 8, 2025 if ordered today

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Scat Forged Standard Weight Crankshafts 4-454-3766-6135-C

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Eagle Forged 4340 Steel Crankshafts 445440026135

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 454, Each

Part Number: ESP-445440026135

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Eagle Forged 4340 Steel Crankshafts 434640006100

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

Part Number: ESP-434640006100

Not Yet Reviewed

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Eagle Forged 4340 Steel Crankshafts 435030005700

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.000 in. Stroke, Chevy, 302, Each

Part Number: ESP-435030005700

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Sep 9, 2025 if ordered today

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Estimated Ship Date: Sep 9, 2025 if ordered today

Eagle Forged 4340 Steel Crankshafts 435334805700

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 5.7L, Each

Part Number: ESP-435334805700

Not Yet Reviewed

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