2020 Crankshafts

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 )

Estimated Ship Date: Tomorrow

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Crankshaft, Forged 4130 Steel, 92.7mm Stroke, Internal Balance, MR3E, Ford, Modular V8, Each

Part Number: FMS-M-6303-M50B

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Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 24X Reluctor, Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS400024

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Dry Sump Post, Standard Snout, Chevy, Gen V, Each

Part Number: CPI-5UO-31V-AS

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Crankshaft Key, Long Type, 0 degree Offset, Steel, Natural, Chevy, Each

Part Number: NAL-12561513

5.0 out of 5 stars ( 5 )

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Crankshaft Adapter Sleeves, OE Replacement, Steel, Chrysler, Dodge, Jeep, Ram, Gen III Hemi, Each

Part Number: MOP-04736283AA

5.0 out of 5 stars ( 2 )

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CRANKSHAFT-4.050 HEMI 58T RELU

Part Number: MAN-191958

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Estimated Ship Date: Feb 16, 2026 if ordered today

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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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Crankshaft, Forged Steel, Internal Engine Balance, Ford, 7.3L, Each

Part Number: FMS-M-6303-SD73

5.0 out of 5 stars ( 1 )

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Crankshaft Key, Woodruff, Long Type, 0 degree Offset, Steel, Natural, Chrysler, Dodge, Jeep, Ram, Each

Part Number: MOP-06506397AA

5.0 out of 5 stars ( 1 )

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KEYWAY SPROCKET HEMI

Part Number: MAN-LSKEY

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Engine Crankshaft Key, GM Genuine Part, Short Key Type, 0 degree Offset, Steel, Natural, Buick, Cadillac, Chevrolet, GMC, Olds, Pontiac, Saturn, Each

Part Number: ADO-24424855

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• $20 Summit Bucks

Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Wet Sump Post, Standard Snout, Chevy, Gen V, Each

Part Number: CPI-5TO-31V-AS

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CRANKSHAFT

Part Number: HRI-HR00047

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Estimated Ship Date: Jan 14, 2026 if ordered today

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CRANKSHAFT-CHEVY LT1 4.000

Part Number: MAN-194258

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Estimated Ship Date: Feb 16, 2026 if ordered today

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Main Bolts, 4-Bolt Main, Cadillac, Chevy, GMC, Each

Part Number: NAL-11546565

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Crankshaft Assembly, +5.000mm Stroke, Forged 4140 Steel, Each

Part Number: HRI-4178

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Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 3.268 in. / 83 mm Stroke, Internal Balance, Subaru, EJ20, Each

Part Number: CPI-S26005

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Chevy Gen. 5 LT, 4340 Forged Steel Crankshaft, 4.000 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LT400058

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Crankshaft, Internal Balance, Forged 4340 Steel, 2.953 in. Stroke, Subaru, 2.0L, 2.5L, Each

Part Number: MAN-190160B

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Estimated Ship Date: Feb 16, 2026 if ordered today

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CRANKSHAFT W/RODS Polaris

Part Number: HRI-HR00026

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Estimated Ship Date: Jan 12, 2026 if ordered today

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CRANKSHAFT Polaris

Part Number: HRI-4430-1

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Estimated Ship Date: Jan 12, 2026 if ordered today

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CRANKSHAFT

Part Number: NAL-12732515

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Estimated Ship Date: Apr 27, 2026 if ordered today

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CRANKSHAFT W/O RODS Polaris

Part Number: HRI-HR00025

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Estimated Ship Date: Jan 14, 2026 if ordered today

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