Crankshafts - 3.875 in. Engine Stroke (in.) - Free Shipping on Orders Over $109 at Summit Racing

Callies Compstar Crankshafts SAM-213-CS

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, 2.100 in. Pin, Chevy, 400

Part Number: CPI-SAM213-CS

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Summit Racing™ Forged Crankshafts SUM-SBC4003875

SB Chevy Forged Steel crankshaft, 3.875 Stroke, Two Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, Designed for 6.000 in. Rod

Part Number: SUM-SBC4003875

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Scat F43 Series Crankshafts 4-350-3875-6000-20LW

F43 Lightweight

Part Number: SCA-435065LW

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Estimated Ship Date: Jul 17, 2025 if ordered today

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Estimated Ship Date: Jul 17, 2025 if ordered today

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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Callies Compstar Crankshafts SAM-113-CS

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, 2.100 in. Pin, Chevy, 350

Part Number: CPI-SAM113-CS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Eagle Forged 4340 Steel Crankshafts 435338756000

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 5.7L, Each

Part Number: ESP-435338756000

Not Yet Reviewed

Estimated Ship Date: Jun 20, 2025 if ordered today

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Estimated Ship Date: Jun 20, 2025 if ordered today

Scat Forged Standard Weight Crankshafts 4-350-3875-6000-L

350 1-PC REAR SEAL STD WEIGHT

Part Number: SCA-435076L

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Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

Eagle Forged 4340 Steel Crankshafts 435038756000

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 350, Each

Part Number: ESP-435038756000

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Scat Excalibur Crankshafts 7-350-3875-6000

Crankshaft, Excalibur, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 350, Each

Part Number: SCA-735076

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Estimated Ship Date: Jul 9, 2025 if ordered today

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Estimated Ship Date: Jul 9, 2025 if ordered today

Howards Cams Track Smart 3 4340 Crankshafts H353876012T

Crankshaft, 2-Piece Seal, Internal Balance, Forged, 4340 Steel, 3.875 in. Stroke, Chevy, 350, Each

Part Number: HRS-H353876012T

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

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Estimated Ship Date: Jul 14, 2025 if ordered today

Callies Magnum Crankshafts SMM-14A-MG

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

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Callies Magnum Crankshafts SAM-21A-MG

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, 2.100 in. Pin, Chevy, 400

Part Number: CPI-SAM21A-MG

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Scat Forged Pro Series Big Block Post Crankshafts 77-350-3875-600-2-20

4340 Forged Pro Series Big Block Post

Part Number: SCA-773507620

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Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

Scat Forged Pro Series Big Block Post Crankshafts 77-350-3875-600-2

4340 Forged Pro Series Big Block Post

Part Number: SCA-773507621

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Estimated Ship Date: Jul 28, 2025 if ordered today

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Estimated Ship Date: Jul 28, 2025 if ordered today

Howards Cams Track Smart 3 4340 Crankshafts H403876012T

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

Part Number: HRS-H403876012T

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

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Estimated Ship Date: Jul 14, 2025 if ordered today

Callies Magnum Crankshafts BBM-42B-MG

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.385 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each

Part Number: CPI-BBM42B-MG

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Callies Magnum Crankshafts SMM-21A-MG

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.000 in. Rods, 2.100 Pin, 400 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMM21AMG

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Estimated Ship Date: Tomorrow if ordered today

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Callies Magnum Crankshafts SMM-24A-MG

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.000 in. Rods, 2.000 Pin, 400 Main, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMM24A-MG

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Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Callies Magnum Crankshafts SAM-14A-MG

Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, 2.000 in. Pin, Chevy, 350

Part Number: CPI-SAM14A-MG

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Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Crower Ultra Light Crankshafts UL95127

Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Custom Order, Chevy, 350, 400

Part Number: CRO-UL95127

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Estimated Ship Date: Jun 25, 2025 if ordered today

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Estimated Ship Date: Jun 25, 2025 if ordered today

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Crower Standard Series Crankshafts 95127

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, Each

Part Number: CRO-95127

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Estimated Ship Date: Jun 25, 2025 if ordered today

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Estimated Ship Date: Jun 25, 2025 if ordered today

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Callies Magnum Crankshafts SAM-24A-MG

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.000 in. Rods, 2.000 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each

Part Number: CPI-SAM24A-MG

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Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Callies Magnum Crankshafts SMM-11A-MG

Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 5.850 in. Rods, 2.100 Pin, Big Block Post, Chevy, Small Block, Each

Part Number: CPI-SMM11A-MG

Not Yet Reviewed

Estimated Ship Date: Aug 13, 2025 if ordered today

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Estimated Ship Date: Aug 13, 2025 if ordered today

Crower Enduro Crankshafts E95127X4

Crankshaft, Forged 4340 Steel, 3.875 in. Stroke, 2-piece Rear Main, Internal Engine Balance, Chevy, 350, 400

Part Number: CRO-E95127X4

Not Yet Reviewed

Estimated Ship Date: Jun 25, 2025 if ordered today

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Estimated Ship Date: Jun 25, 2025 if ordered today

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Callies Magnum Crankshafts SAM-11A-MG

Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 350, 2.100 Pin, Each

Part Number: CPI-SAM11A-MG

Not Yet Reviewed

Estimated Ship Date: Jun 30, 2025 if ordered today

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Estimated Ship Date: Jun 30, 2025 if ordered today