Availability
Engine Crankshafts
Crankshaft, LS1 S-Series, Pro Stock, 6-Bolt, 4340 Forged Steel, 1-Piece Rear Main, Internal, Narrow Bearing, 4/4.125 in. Stroke, 6.125 in. Rod, Each
Part Number: SCA-4LS136365
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
CRANKSHAFT
Part Number: ESP-430228705090
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Dry Sump Post, Standard Snout, Chevy, Gen V, Each
Part Number: CPI-5UO-31V-AS
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.125 in. Stroke, Ford, V8, Flathead, 8BA, Each
Part Number: ESP-102394125
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
FLATHEAD FORD
Part Number: SCA-923920
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.150 in. Stroke, 2.200 Pin, Mopar, Each
Part Number: CPI-GE2-62L-CS
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged, 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each
Part Number: HRS-H353756012T
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
350 2-PC REAR SEAL, STD WEIGHT CHEVY
Part Number: SCA-435006
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
MITSUBISHI 4340 CRK
Part Number: ESP-2037005900B7
Not Yet Reviewed
Estimated Ship Date: May 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, 2.100 in. Pin, Chevy, 350
Part Number: CPI-SAG113-CM
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Mandrel Kit, Ford, SBF, Billet Aluminum, Kit
Part Number: JRP-DH8101WCF4K
Not Yet Reviewed
Estimated Ship Date: Mar 16, 2026 if ordered today
Estimated Ship Date: Mar 16, 2026 if ordered today
CRANKSHAFT ASM-.
Part Number: ADO-12684206
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
350 1-PC REAR SEAL STD WEIGHT
Part Number: SCA-435076L
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Crankshaft, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each
Part Number: CPI-APH-31V-AS
Not Yet Reviewed
Estimated Ship Date: Jun 1, 2026 if ordered today
Estimated Ship Date: Jun 1, 2026 if ordered today
Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Wet Sump Post, Standard Snout, Chevy, Gen V, Each
Part Number: CPI-5TO-31V-AS
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 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: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
CAST CRANKSHAFT
Part Number: ESP-102583895
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Woodruff Keys, Assortment, Short, 0 degree Offset, Steel, Natural, Set of 5
Part Number: RNB-13125
Estimated Ship Date: Today
Estimated Ship Date: Today
CRANKSHAFT ASM
Part Number: ADO-12642339
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
WOODRUFF KEY
Part Number: PIO-PK9-25
Not Yet Reviewed
Estimated Ship Date: Mar 31, 2026 if ordered today
Estimated Ship Date: Mar 31, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, Ford 1963-69, 360-428 FE, 4.250 in. Stroke, Each
Part Number: ESP-104284250
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Crankshaft Key, Steel, Natural, 0 Offset, Jeep, AMC Engine, L6, Each
Part Number: CWA-J3107234
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, 4.140 in. Stroke, Ford, 460, Each
Part Number: ESP-104604140
Not Yet Reviewed
Estimated Ship Date: May 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered today
CRANKSHAFT
Part Number: ADO-12555637
Not Yet Reviewed
Estimated Ship Date: Apr 8, 2026 if ordered today
Estimated Ship Date: Apr 8, 2026 if ordered today
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