Availability
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
Forged 4340 Standard Weight
Part Number: SCA-4426015
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Crankshaft, Standard Weight, Forged 4340 Steel, 3.750 in. Stroke, Internal Balance, Ford, Modular V8, Each
Part Number: SCA-46L020
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
F43 Lightweight
Part Number: SCA-435065LW
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, 2.20 Rod Bearings, Each
Part Number: ESP-440045006800
Not Yet Reviewed
Estimated Ship Date: Feb 13, 2026 if ordered today
Estimated Ship Date: Feb 13, 2026 if ordered today
Crankshaft Key, Chevy Vortec, LS1/LS2/LS6
Part Number: AAF-ALL87034
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
Crankshaft Key, Long, Chevy, Chrysler, Dodge, Plymouth, Each
Part Number: MRG-983G
Estimated Ship Date: Today
Estimated Ship Date: 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: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 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: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 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: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.310 in. Stroke, Chrysler, 273, 318, 340, Each
Part Number: ESP-434033106123
Estimated Ship Date: Today
Estimated Ship Date: Today
SB Mopar 360 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-MOP3604000
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, 1.888 in. Pin, Chevy, 350
Part Number: CPI-SAF193-CC
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: 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
Part Number: SCA-773503760
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Standard Weight, Forged 4340 Steel, 4.100 in. Stroke, Internal Balance, Ford, 351W, Each
Part Number: SCA-4351W60
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Excalibur, One-piece Seal, Internal/External Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each
Part Number: SCA-735010L
Not Yet Reviewed
Estimated Ship Date: Jan 12, 2026 if ordered today
Estimated Ship Date: Jan 12, 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: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 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: Feb 12, 2026 if ordered today
Estimated Ship Date: Feb 12, 2026 if ordered today
CRANKSHAFT
Part Number: BTC-S0391
Not Yet Reviewed
Estimated Ship Date: Jan 19, 2026 if ordered today
Estimated Ship Date: Jan 19, 2026 if ordered today
Summit 4340 Forged Crankshaft, SBF Windsor, 3.000 in Stroke, 28 oz. Balancer, Narrowed Rod Bearings, 1.375 Pilot Bearing, Designed for 5.090 in. Rod
Part Number: SUM-SBF3023000E
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: 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: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
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
Estimated Ship Date: Today
Estimated Ship Date: 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: Feb 27, 2026 if ordered today
Estimated Ship Date: Feb 27, 2026 if ordered today
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