Availability
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: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered 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: Jun 11, 2026 if ordered today
Estimated Ship Date: Jun 11, 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: Jun 11, 2026 if ordered today
Estimated Ship Date: Jun 11, 2026 if ordered today
350 2-PC REAR SEAL, STD WEIGHT CHEVY
Part Number: SCA-435006
Not Yet Reviewed
Estimated Ship Date: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 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: Jun 11, 2026 if ordered today
Estimated Ship Date: Jun 11, 2026 if ordered today
Forged 4340 Standard Weight
Part Number: SCA-43013
Not Yet Reviewed
Estimated Ship Date: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered 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: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
Crankshaft, Forged 4340 Steel, Std. Weight, 3.875 in. Stroke, Chevy, 400, 2-Piece Seal, Internal Balance, Each
Part Number: SCA-440076
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.625 in. Stroke, Chevy, 350, Each
Part Number: ESP-435036255700
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
CRANK-FORGED 88mm STROKE
Part Number: MAN-190100
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
FORGED CRANKSHAFTS
Part Number: SCA-435010-NL
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crankshafts, SBC 4340 Forged Lightweight Crankshaft. 3.480" stroke, 48-50 lb. total weight, 2.100" rod journal, two piece rear main seal
Part Number: MAN-190310NB
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
SB Windsor 4340 Forged crank, 3.000 in. stroke, 5.400 in. Rod, Internally Balanced, Req's Narrowed Rod Bearings, one or two piece rear main seal
Part Number: SUM-SBF3023000I
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each
Part Number: ESP-4350348057FW
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
SB Chevy Forged Steel crankshaft, 3.750 Stroke, Two Piece Rear Seal, Req. Narrowed Rod Bearings, Lightened, Nitride, Designed for 6.000 in. Rod
Part Number: SUM-SBC4003750
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
FORGED CRANKSHAFT
Part Number: ESP-4350335057LA
Not Yet Reviewed
Estimated Ship Date: Jun 11, 2026 if ordered today
Estimated Ship Date: Jun 11, 2026 if ordered today
COMPSTAR BB CRANK 4.250/2.750/2.200
Part Number: CPI-BBP-42C-CS
Not Yet Reviewed
Estimated Ship Date: Jul 8, 2026 if ordered today
Estimated Ship Date: Jul 8, 2026 if ordered today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.760 in. Stroke, 2.200 Pin, Mopar, Each
Part Number: CPI-GE3-65L-CS
Not Yet Reviewed
Estimated Ship Date: Jul 8, 2026 if ordered today
Estimated Ship Date: Jul 8, 2026 if ordered today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.625 in. Stroke, 2.200 Pin, Mopar, Each
Part Number: CPI-GER-62L-CS
Not Yet Reviewed
Estimated Ship Date: Jul 8, 2026 if ordered today
Estimated Ship Date: Jul 8, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
FORGED CRANKSHAFTS
Part Number: SCA-773504060
Not Yet Reviewed
Estimated Ship Date: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
Forged 4340 Standard Weight
Part Number: SCA-43012
Not Yet Reviewed
Estimated Ship Date: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
FORGED CRANKSHAFTS
Part Number: SCA-774003760
Not Yet Reviewed
Estimated Ship Date: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
Crankshaft, 1-Piece Seal, Internal Balance, No Center Counterweights, Chevy, Big Block, Each
Part Number: SCA-445430L
Not Yet Reviewed
Estimated Ship Date: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.562 in. Stroke, Chevy, 350, Each
Part Number: ESP-435035625700
Not Yet Reviewed
Estimated Ship Date: Jun 11, 2026 if ordered today
Estimated Ship Date: Jun 11, 2026 if ordered today
Engine Crankshaft, Forged 4340 Steel Crankshhaft
Part Number: ESP-4350375057BN
Not Yet Reviewed
Estimated Ship Date: Jun 11, 2026 if ordered today
Estimated Ship Date: Jun 11, 2026 if ordered today
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