Engine Crankshafts

Straight Key-Width-3/8(.375) In., Length-12 In., Height-3/8(.375) In.

Part Number: RNB-600-067

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Estimated Ship Date: Sep 2, 2025 if ordered today

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Straight Key-Width-1/2(.5) In., Length-12 In., Height-1/2(.5) In.

Part Number: RNB-600-069

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Estimated Ship Date: Sep 2, 2025 if ordered today

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Straight Key-Width-1/8(.125) In., Length-12 In., Height-1/8(.125) In.

Part Number: RNB-600-070

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Estimated Ship Date: Sep 2, 2025 if ordered today

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Powersports Crankshaft, Hot Rod Crank Polaris Scramble Sportsman 850

Part Number: HRI-4430

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Estimated Ship Date: Aug 29, 2025 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Ford, 4.6L, Each

Part Number: ESP-428137505950

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Crankshaft Kit, Powersports, Crankshaft, Rod, Bearings, Yamaha, Kit

Part Number: WIS-WPC137

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 10, 2025 if ordered today

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FORD ULTRA DIRT FORGED CRANK 4.125/2.750/2.000

Part Number: CPI-EFU-7PV-UD

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Estimated Ship Date: Nov 3, 2025 if ordered today

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3.480" stroke, internal balance, cast mild steel, Chevrolet small block 1pc rear seal, IMCA legal

Part Number: ESP-S0095

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 3.937 in. Stroke, Mitsubishi, 2.0L, Each

Part Number: ESP-2439375900A6

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Sep 15, 2025 if ordered today

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3.900" stroke, internal balance, forged 4340 steel, Chevrolet Gen III "LS"

Part Number: ESP-434739006100

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Estimated Ship Date: Sep 15, 2025 if ordered today

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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: Sep 15, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.210 in. Stroke, 2.249 Rod Bearings, Each

Part Number: ESP-440042106625

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 409, Each

Part Number: ESP-440940026135

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Crankshaft, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Pontiac, 455, Each

Part Number: ESP-445545006800

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, Chevy, 454, Each

Part Number: ESP-450247506600

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Estimated Ship Date: Sep 15, 2025 if ordered today

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FORGED 4140 STEEL CRANK IMCA LEGAL - CHEVROLET 305/350

Part Number: ESP-53503480CMLW

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Estimated Ship Date: Sep 15, 2025 if ordered today

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Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, 350, 2.000 Pin, Each

Part Number: CPI-SAG143-CM

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Estimated Ship Date: Nov 10, 2025 if ordered today

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CALLIES FORGED ULTRA DIRT SB CRANK 3.750 / 350 / 2.000

Part Number: CPI-SAJ-14A-UD

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Estimated Ship Date: Nov 10, 2025 if ordered today

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MAGNUM ULTRA DIRT CRANK 3.800 350 1.888 x 1.825 WIDE

Part Number: CPI-SAK-1K-UD

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Estimated Ship Date: Nov 10, 2025 if ordered today

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

Part Number: CPI-SAM21A-MG

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Estimated Ship Date: Nov 10, 2025 if ordered today

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CALLIES ULTRA DIRT BILLET SBC CRANK 3.550/350/1.888

Part Number: CPI-SAT-19-UD

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Estimated Ship Date: Nov 10, 2025 if ordered today

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MAGNUM ULTRA DIRT TOYOTA CRANK 3.800 2.500 2.00 x 1.825

Part Number: CPI-SK-AP-UD

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Estimated Ship Date: Nov 10, 2025 if ordered today

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CALLIES SB ULTRA DIRT CRANK 3.875/2.448/2.000

Part Number: CPI-SMM-14-UD

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Estimated Ship Date: Nov 10, 2025 if ordered today

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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

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Estimated Ship Date: Nov 10, 2025 if ordered today

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CALLIES SB ULTRA DIRT CRANK 4.000/2.448/2.00

Part Number: CPI-SMO-14-UD

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Estimated Ship Date: Nov 10, 2025 if ordered today

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