Availability
Crankshafts
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 3.75 in. Stroke, Pontiac, Each
Part Number: ESP-104013750
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 1 or 2-Piece Seal, 28 oz. External Balance, Cast Steel, 4.00 in. Stroke, Ford, 351W, Each
Part Number: ESP-103514000
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chrysler, 360, Each
Part Number: SCA-436020
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
SBF 351 Windsor 4340 Forged steel crank, 4.000 in. stroke, 6.200 rod, Nitride Hardened, Internal Balance, Req. Narrowed Rod bearings
Part Number: SUM-SBF351W4000I
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7, 6.0L, Each
Part Number: ESP-434640006100
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, Internal Balance, Forged 4340 Steel, 3.48 in. Stroke, Chevrolet, Small Block, Each
Part Number: MAN-190310
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, 2.200 in. Pin, Chevy, 454
Part Number: CPI-BBS42B-MG
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, Compstar, 2-piece Rear Main Seal Style, Internal/External Balance, Forged 4340 Steel, 4.500 in. Stroke, Large Snout, Chevrolet, 7.4L, Each
Part Number: CPI-BBQ425-CS
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, 2.100 in. Pin, Chevy, 350
Part Number: CPI-SAJ113-CS
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4140 Steel, 4.000 in. Stroke, 58-Tooth Reluctor, Chevy, LS, Each
Part Number: ESP-534740006100
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Ford, 429, 460, Each
Part Number: ESP-446045002200
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 400, Each
Part Number: SCA-440056
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
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
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, Internal Balance, Forged 4340 Steel, 3.250 in. Stroke, Ford, 302, Each
Part Number: ESP-430232525400
Not Yet Reviewed
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 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 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, LS, Each
Part Number: ESP-434736226100
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, Cast Steel, 4.250 in. Stroke, Chevy, 454, Internal Balance, 2-Piece Seal, Each
Part Number: SCA-945425
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 7.4L, Each
Part Number: MAN-190140
Estimated Ship Date: Monday 3/9/2026 if shipped by air
Estimated Ship Date: Monday 3/9/2026 if shipped by air
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