Crankshafts

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Pontiac, 455, Each

Part Number: ESP-445542506700

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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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Crankshaft, One-piece Seal, Internal Balance, Forged Steel, 3.622 in. Stroke, Cadillac, Chevy, 6.2L, Each

Part Number: NAL-12641691

5.0 out of 5 stars ( 3 )

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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 )

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CRANK-4340 4.000 STROKE

Part Number: MAN-192124

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

Part Number: MAN-190140

5.0 out of 5 stars ( 2 )

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

Part Number: SUM-180LS400058

5.0 out of 5 stars ( 1 )

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Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Snout. 58-tooth GM Reluctor, Ea.

Part Number: CPI-APO31Q-CS58

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Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.200 in. Pin, Chevy, 454

Part Number: CPI-BBP425-CS

4.75 out of 5 stars ( 4 )

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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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Crankshaft, Billet Reaper, Chev SB 3.500"

Part Number: HRS-35035005700

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Crankshaft, Billet Reaper, Chev SB 3.750"

Part Number: HRS-35037505850

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Crankshaft, Billet Reaper, Chev SB 3.875"

Part Number: HRS-35038756000

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Crankshaft, Billet Reaper, Chev SB 4.000"

Part Number: HRS-35040006000

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Powersports Crankshaft, Hot Rod Crank Polaris Scramble Sportsman 850

Part Number: HRI-4430

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Estimated Ship Date: Oct 20, 2025 if ordered today

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

Part Number: HRS-H454256321T

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Crankshaft, Chev SB, 454 Main, 4.750"

Part Number: HRS-H454756722T

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Estimated Ship Date: Nov 28, 2025 if ordered today

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Crankshaft, Cast Steel, 4.250 in. Stroke, 2.00 in. Rod Journal, Ford, Flathead, Internal Balance, Each

Part Number: SCA-923930

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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FLATHEAD FORD

Part Number: SCA-923940

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Forged 4340 Standard Weight

Part Number: SCA-4426010

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Estimated Ship Date: Dec 15, 2025 if ordered today

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FORGED CRANKSHAFTS

Part Number: SCA-4426011

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Estimated Ship Date: Dec 15, 2025 if ordered today

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Forged 4340 Standard Weight

Part Number: SCA-4426013

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Forged 4340 Standard Weight

Part Number: SCA-4426015

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Forged 4340 Standard Weight

Part Number: SCA-4426018

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