Availability
Crankshafts
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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.480 in. Stroke, Chevy, 350, Each
Part Number: SCA-910442
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.480 in. Stroke, Chevy, 350, Each
Part Number: SUM-180365
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 3.750 in. Stroke, Chevy, 350 main, 383 stroker, Each
Part Number: SUM-180367
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, Standard Snout, Chevy, Small Block, Each
Part Number: ESP-103503480
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, Cast Steel, 3.750 in. Stroke, Chevy, 400, OEM Balance, 2-Piece Seal, Each
Part Number: SUM-180369
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4 in. Stroke, Chevy, Big Block, Each
Part Number: ESP-104544000
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.000 in. Stroke, Chevy, 454, Each
Part Number: SUM-180370
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, Standard Weight, Forged 4340 Steel, 4.250 in. Engine Stroke, Ford, Big Block FE, Each
Part Number: SCA-4FE200
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.25 in. Stroke, Chevy, 454, Each
Part Number: ESP-104544250
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
SB Mopar 340 Forged Steel Crank, 4.000 stroke, 6.123 in. Rod, May Req. Heavy Metal, Lightning Holes on Rod Journals, Narrowed Rod Bearings Req.
Part Number: SUM-MOP3404000
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.766 in. Stroke, Chevy, 396, 427, Each
Part Number: ESP-439637666135
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, External Balance, Cast Steel, 4.000 in. Stroke, Chevy, 454, Each
Part Number: SCA-910454
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.000 in. Stroke, 6.135 Rod, Chevy, 454, Each
Part Number: SCA-445410
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each
Part Number: SCA-435010
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.75 in. Stroke, Chevy, 350, Each
Part Number: ESP-10350375057I
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.000 in. Stroke, Chevy, 302, Each
Part Number: ESP-435030005700
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
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
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.250 in. Stroke, Chevy, 327, Each
Part Number: ESP-435032505700
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
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
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4140 Steel, 3.750 in. Stroke, Chevy, 5.7L, Stroker, Each
Part Number: ESP-535037505700
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, 4140 Forged, 4.25 in. Stroke, Chevrolet, Each
Part Number: ESP-545442526385
Not Yet Reviewed
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chrysler, 413, 426, 440, Each
Part Number: ESP-444237506760
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.210 in. Stroke, Pontiac, 455, Each
Part Number: ESP-104554210
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each
Part Number: ESP-435037505700
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Crankshaft, 1 or 2-Piece Seal, Internal Balance, Cast Steel, 3.85 in. Stroke, Ford, 460, Each
Part Number: ESP-104603850
Estimated Ship Date: Monday 4/20/2026 if shipped by air
Estimated Ship Date: Monday 4/20/2026 if shipped by air
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