1978 Crankshafts - External Engine Balance - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Cast SBC 350 Crankshaft SUM-180367

Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 3.750 in. Stroke, Chevy, 350 main, 383 stroker, Each

Part Number: SUM-180367

5.0 out of 5 stars ( 4 )

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Summit Racing™ Cast SBC 400 Crankshaft SUM-180369

Crankshaft, Cast Steel, 3.750 in. Stroke, Chevy, 400, OEM Balance, 2-Piece Seal, Each

Part Number: SUM-180369

4.0 out of 5 stars ( 5 )

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Summit Racing™ Cast BBC 454 Crankshaft SUM-180370

Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.000 in. Stroke, Chevy, 454, Each

Part Number: SUM-180370

4.0 out of 5 stars ( 2 )

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Eagle Cast Steel Crankshafts 104544000

Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4 in. Stroke, Chevy, Big Block, Each

Part Number: ESP-104544000

4.0 out of 5 stars ( 4 )

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Eagle Cast Steel Crankshafts 104544250

Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.25 in. Stroke, Chevy, 454, Each

Part Number: ESP-104544250

5.0 out of 5 stars ( 6 )

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Scat Cast Crankshafts 9-10454

Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.000 in. Stroke, Chevy, 454, Each

Part Number: SCA-910454

4.92 out of 5 stars ( 12 )

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Scat Cast Crankshafts 9-460-3850-6605-2500

Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 3.850 in. Stroke, Ford, 460, Each

Part Number: SCA-946010

5.0 out of 5 stars ( 2 )

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Scat Forged Standard Weight Crankshafts 4-454-4000-6135

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.000 in. Stroke, 6.135 Rod, Chevy, 454, Each

Part Number: SCA-445410

3.0 out of 5 stars ( 2 )

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Scat Series 9000 Cast Pro Comp Stroker Lightweight Crankshafts 9-454-4250-6135

Crankshaft, External Balance, Cast Steel, 4.25 in. Stroke, Chevy, 454, Each

Part Number: SCA-945420

2.75 out of 5 stars ( 4 )

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Scat Series 9000 Cast Pro Comp Stroker Lightweight Crankshafts 9-350-3750-5700

Crankshaft, Cast Steel, Two Piece Rear Main Seal, 3.750 in. Stroke, Use With 5.70 in. Rod, Chevy, 350, Each

Part Number: SCA-935050

4.0 out of 5 stars ( 8 )

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Eagle Cast Steel Crankshafts 104003750

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

Part Number: ESP-104003750

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Scat Cast Crankshafts 9-104000

Crankshaft, Cast Steel, 3.750 in. Stroke, Chevy, 400, OEM Balance, 2-Piece Seal, Each

Part Number: SCA-910400

3.5 out of 5 stars ( 2 )

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Eagle Cast Steel Crankshafts 103503750

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 )

Estimated Ship Date: May 22, 2026 if ordered today

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Estimated Ship Date: May 22, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Cast SBC 350 Crankshaft SUM-180367

5 out of 5 stars ( 4 )

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Scat Cast Crankshafts 9-103750

Crankshaft, 2-piece Seal, External Balance, Cast Steel, 3.750 in. Stroke, Chevy, 350, Each

Part Number: SCA-9103750

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Scat Series 9000 Cast Pro Comp Stroker Lightweight Crankshafts 9-400-3750-5700

Crankshaft, Cast Steel, 3.750 in. Stroke, Chevy, 400, OEM Balance, 2-Piece Seal, Each

Part Number: SCA-940050

2.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Scat Series 9000 Cast Pro Comp Stroker Lightweight Crankshafts 9-460-4300-6700-2200

Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.300 in. Stroke, Ford, 460, Each

Part Number: SCA-946043

Not Yet Reviewed

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Scat Series 9000 Cast Pro Comp Stroker Lightweight Crankshafts 9-460-4500-6700-2200

Crankshaft, 4.500 in. Stroke, External Balance, 2-Piece Seal, 2.200 in. Rod Journal, 6.700 in. Long Rods, Standard Snout, Cast Steel, Ford, 460, Each

Part Number: SCA-946045

Not Yet Reviewed

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Scat Forged Standard Weight Crankshafts 4-454-4250-6385-2

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 454, Each

Part Number: SCA-445425-2

Not Yet Reviewed

Estimated Ship Date: Jun 4, 2026 if ordered today

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Estimated Ship Date: Jun 4, 2026 if ordered today

Scat Forged Standard Weight Crankshafts 4-360-3580-6123

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 3.580 in. Stroke, Chrysler, 360, Each

Part Number: SCA-436010

Not Yet Reviewed

Estimated Ship Date: Jun 4, 2026 if ordered today

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Estimated Ship Date: Jun 4, 2026 if ordered today

Scat Forged Standard Weight Crankshafts 4-440-3750-6760-2374

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 3.750 in. Stroke, Chrysler, 440, Each

Part Number: SCA-444010

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

Scat Excalibur Crankshafts 7-350-3750-5700

Crankshaft, Excalibur, 2-Piece Seal, External Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each

Part Number: SCA-735050

Not Yet Reviewed

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Enginetech Remanufactured Crank Kits 123900

Engine Crankshaft Kit 68-85 BUI/CAD/CHV/GMC/OLD/PON 5.7L

Part Number: EGN-123900

Not Yet Reviewed

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Summit Racing™ Forged Crankshafts SUM-MOP3603580

SB Mopar 360 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-MOP3603580

Not Yet Reviewed

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Enginetech Remanufactured Crank Kits 130600

Engine Crankshaft Kit 74-03 CHR/DOD/JEP/PLY 5.9L

Part Number: EGN-130600

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

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Estimated Ship Date: Apr 20, 2026 if ordered today

Scat Forged Standard Weight Crankshafts 4-454-4250-6135

Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.250 in. Stroke, 6.135 Rod, Chevy, 454, Each

Part Number: SCA-445420

Not Yet Reviewed

Estimated Ship Date: Jun 4, 2026 if ordered today

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Estimated Ship Date: Jun 4, 2026 if ordered today