CHEVROLET Crankshafts

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, Cast Steel, 4.250 in. Stroke, Chevy, 454, Internal Balance, 2-Piece Seal, Each

Part Number: SCA-945425

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Jan 5, 2027 if ordered today

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Gen. 4 BB Chevy Forged Steel Crank, 4.250 stroke, Two Piece Rear Seal, Req's Narrowed Rod Bearings, Lightened holes, Nitride, 6.385 in. Rod

Part Number: SUM-BBC425063851

5.0 out of 5 stars ( 1 )

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SB Chevy Forged Steel crankshaft, 4.000 Stroke, 400 Mains, 2 Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, 6.000 in. Rod

Part Number: SUM-SBC4004000

5.0 out of 5 stars ( 1 )

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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

5.0 out of 5 stars ( 1 )

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Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 3.75 in. Stroke, Chevy, 350, Each

Part Number: ESP-103503750

5.0 out of 5 stars ( 10 )

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Crankshaft, 1-Piece Seal, External Balance, Cast Steel, 4.000 in. Stroke, Chevy, 454, Each

Part Number: SCA-910454L

4.8 out of 5 stars ( 5 )

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Crankshaft, Cast Steel, One Piece Rear Main Seal, 3.750 in. Stroke, 5.70 in. or Longer Rod, Chevy, 350, Each

Part Number: SCA-935050L

5.0 out of 5 stars ( 3 )

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Crankshaft, 1-Piece Seal, Internal Balance, Lightweight, 4340 Billet, 4.000 Stroke, Chevy, LS1, Each

Part Number: MAN-190858B

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Crankshaft, Forged 4340 Steel, Std. Weight, 3.75 in. Stroke, Chevy, 350, 2-Piece Seal, Internal Balance, Each

Part Number: SCA-435050

5.0 out of 5 stars ( 1 )

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Crankshaft, Internal Balance, Cast Steel, 3.75 in. Stroke, Fits With 6 in. Rods, Chevy, 400, Each

Part Number: SCA-940056

5.0 out of 5 stars ( 4 )

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• Oversize $14.99

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, 4340 Steel, Forged, 4.000 in. Stroke, Chevy LS, 58-Tooth Reluctor, Each

Part Number: BTC-S0391

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, Chevy, 454, Each

Part Number: SCA-445425C

1.0 out of 5 stars ( 1 )

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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 ( 6 )

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

Part Number: MAN-190058

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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.75 in. Stroke, Chevy, 400, Each

Part Number: ESP-10400375057I

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Dec 18, 2026 if ordered today

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Crankshaft, Cast Steel, One Piece Rear Main Seal, 3.750 in. Stroke, Use With 6.00 in. Rod, Chevy, 350, Each

Part Number: SCA-935060L

4.67 out of 5 stars ( 3 )

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

Part Number: SCA-440056

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302 2-PC REAR SEAL, STD WEIGHT CHEVY

Part Number: SCA-435005

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Estimated Ship Date: Jan 4, 2027 if ordered today

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Crankshaft Keys, Short Type, 0 degree Offset, Steel, Natural, 0.750 in. Length, Buick, Chevy, Pair

Part Number: PIO-839009

4.92 out of 5 stars ( 13 )

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Crankshaft, 1-Piece Seal, Internal/External Balance, Forged Steel, 3.86 in. Stroke, Chevy, Each

Part Number: NAL-12708884

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Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.000 in. Stroke, Chevy, 327, Small Journal, Each

Part Number: ESP-432730005700

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Woodruff Key for Summit Pro LS Crankshaft, Forward Position, Short Key. zero offset, .728 in. length, .300 tall, 1 ea.

Part Number: SUM-161000

5.0 out of 5 stars ( 6 )

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

Part Number: SCA-435086

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