Availability
Engine Crankshafts
Crankshaft, Forged 4340, Internal Balance, 4.750 in. Stroke, 6.700 Rod, Chevy Big Block, 8.1L, Each
Part Number: SCA-481030
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Crankshaft, Chevy big block, forged, 4.375 stroke, w/ center counterweights
Part Number: MAN-190320
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.150 in. Stroke, Ford, 460, Each
Part Number: SCA-946041
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Chevy, Each
Part Number: ESP-434641256100
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Crankshaft, 1-Piece Seal, External Balance, Forged 4340 Steel, 4.250 in. Stroke, 6.135 Rod, Chevy, 454, Each
Part Number: SCA-445420L
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Standard Weight, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, Pontiac, 400, Each
Part Number: SCA-4400P42510
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, Chevy, 350, Each
Part Number: ESP-435041256000
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 5.7L, Each
Part Number: ESP-435338756000
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Crankshaft, Compstar, 2-piece Rear Main Seal Style, Internal Engine Balance, Forged 4340 Steel, 3.480 in. Stroke, Lightened, Chevrolet, 5.7L, Each
Part Number: CPI-SAF143-CC
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Internal Balance, Forged 4340 Steel, 3.85 in. Stroke, Ford, 351W, Each
Part Number: SCA-4351W45
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
302 2-PC REAR SEAL, STD WEIGHT CHEVY
Part Number: SCA-435005
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Crankshaft, Excalibur, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each
Part Number: SCA-735056
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each
Part Number: ESP-4350348057LW
Not Yet Reviewed
Crankshaft Key, 3/16 in. wide, 1 31/64 in. Long, 0 degree Offset, Steel, Natural, Each
Part Number: DUR-AK-032-P
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
CRANKSHAFT
Part Number: BTC-S0391
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340, 3.750 in. Stroke, 2.45 Mains, Chevy, 5.7, 6.6L, Each
Part Number: MAN-190150
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, 350 Mains, Chevy, 5.7, Each
Part Number: MAN-190190
Estimated Ship Date: Apr 7, 2026 if ordered today
Estimated Ship Date: Apr 7, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 400, Each
Part Number: SCA-440086
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Standard Weight, Forged 4340 Steel, 3.750 in. Stroke, Internal/External Balance, Chevy, 350, Each
Part Number: SCA-435050L
Not Yet Reviewed
Estimated Ship Date: Apr 29, 2026 if ordered today
Estimated Ship Date: Apr 29, 2026 if ordered today
Crankshaft, One-piece Seal, Internal Balance, Cast Iron, Chevy, GMC, 5.3L, Each
Part Number: NAL-12685650
Not Yet Reviewed
Estimated Ship Date: Jun 18, 2026 if ordered today
Estimated Ship Date: Jun 18, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged, 4340 Steel, 3.875 in. Stroke, Chevy, 350, Each
Part Number: HRS-H353876012T
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Crankshaft, 1 or 2-Piece Seal, 28 oz. External Balance, Cast Steel, 3.75 in. Stroke, Ford, 351W, Each
Part Number: ESP-103513750
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, 2.100 in. Pin, Chevy, 400
Part Number: CPI-SAJ213-CS
Not Yet Reviewed
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.800 in. Stroke, 2.100 in. Pin, Chevy, 400
Part Number: CPI-SAK213-CS
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.000 in. Stroke, Ford, V8, Flathead, 8BA, Each
Part Number: ESP-102394000
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
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