Availability
1981 Crankshafts
4340 Forged Pro Series
Part Number: SCA-435022-2
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
ENGINE WOODRUFF KEYS 5PK
Part Number: SSY-50-1008
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, Chevy, 454, Each
Part Number: ESP-450247506600
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Crankshaft, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Ford, 351W, Each
Part Number: ESP-435135006200
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Crankshaft, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Ford, 351W, SVO, Each
Part Number: ESP-435235006200
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, Forged, 4340 Steel, 4.000 in. Stroke, Chevy, 350, Each
Part Number: HRS-H354006012T
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Crankshaft, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 454, Internal Balance, 2-Piece Seal, Each
Part Number: HRS-H454256322T
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 SUPERLIGHT
Part Number: SCA-435010L-3
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Crankshaft, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Ford, 351W, Cleveland Mains, Each
Part Number: SCA-4351C16
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
Crankshaft, Standard Weight, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, Chevy, 350, Each
Part Number: SCA-435040
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
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: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
4340 Forged Superlight
Part Number: SCA-435087-3
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026 if ordered today
Estimated Ship Date: Apr 16, 2026 if ordered today
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: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
S&S Cycle .094in x .313in x .311in Woodruff Key
Part Number: SSY-50-8220-S
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
S&S Cycle .094in x .313in x .311in Woodruff Key - 10 Pack
Part Number: SSY-50-8229
Not Yet Reviewed
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
4340 Forged Pro Series Lightweight
Part Number: SCA-445405C-2
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
350 1-PC REAR SEAL PROCOMP LIGHTWEIGHT
Part Number: SCA-435010L-2
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435021LW
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.00 in. Stroke, Chevy, 7.4L, Each
Part Number: MAN-190170
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435030LW
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, 350, Each
Part Number: ESP-435035005700
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435020LW
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435031LW
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Crankshaft, Lightweight, Forged 4340 Steel, 4.500 in. Stroke, Internal Balance, Ford, 429, 460, Each
Part Number: SCA-44604500-2
Not Yet Reviewed
Estimated Ship Date: Apr 6, 2026 if ordered today
Estimated Ship Date: Apr 6, 2026 if ordered today
ENGINE CRANKSHAFT, L81-99 BIG TWIN, CRANK PIN +.001
Part Number: SSY-34-2103
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
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