Availability
Crankshaft, Compstar 4340 Forged, 3.750 Stroke, 8-bolt Flange, Internal Balanced, Includes 58-tooth GM Reluctor, Each
Part Number: CPI-5UJ31Q-CS
Not Yet Reviewed
Estimated Ship Date: Oct 21, 2025 if ordered today
Estimated Ship Date: Oct 21, 2025 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.875 in. Stroke, 2.100 in. Pin, Chevy, 400
Part Number: CPI-SAM21A-MG
Not Yet Reviewed
Estimated Ship Date: Oct 21, 2025 if ordered today
Estimated Ship Date: Oct 21, 2025 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.000 in. Rods, 2.000 Pin, Big Block Post, Chevy, Small Block, Each
Part Number: CPI-SMM14A-MG
Not Yet Reviewed
Estimated Ship Date: Oct 21, 2025 if ordered today
Estimated Ship Date: Oct 21, 2025 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.000 Pin, 350 Main, Big Block Post, Chevy, Small Block, Each
Part Number: CPI-SMO14A-MG
Not Yet Reviewed
Estimated Ship Date: Oct 21, 2025 if ordered today
Estimated Ship Date: Oct 21, 2025 if ordered today
Crankshaft, Excalibur, 2-Piece Seal, External Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each
Part Number: SCA-735050
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
Crankshaft, Excalibur, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 350, Each
Part Number: SCA-735086
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
4340 Forged Pro Series Big Block Post
Part Number: SCA-773502021
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-440072LW
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 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: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
302 2-PC REAR SEAL, STD WEIGHT CHEVY
Part Number: SCA-435005
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
4340 Forged Superlight
Part Number: SCA-435008-3
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
4340 Forged Pro Series
Part Number: SCA-435018-2
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
4340 Forged Superlight
Part Number: SCA-435018-3
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
4340 Forged Pro Series
Part Number: SCA-435028-2
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.562 in. Stroke, Chevy, 350, Each
Part Number: SCA-435030
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
4340 Forged Superlight
Part Number: SCA-445405C-3
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
4340 Forged Pro Series Lightweight
Part Number: SCA-445415C-2
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
4340 Forged Superlight
Part Number: SCA-445415C-3
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
Crankshaft, Forged 4340 Steel, Superlite, 4.25 in. Stroke, Chevy, 454, 2-Piece Seal, Will Internal Balance
Part Number: SCA-445425-3
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
4340 Forged Superlight
Part Number: SCA-445425C-3
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
Engine Crankshaft, Chevy 4-454-4375-6385-2 454 Big Block Forged 4340 Steel
Part Number: SCA-445426-2
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
Crankshaft, Standard Weight, Forged 4340 Steel, 4.375 in. Stroke, Internal Balance, Chevy, 454, Each
Part Number: SCA-445426C
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each
Part Number: SCA-435050-2
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
4340 Forged Superlight
Part Number: SCA-435052-3
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
Forged 4340 Standard Weight
Part Number: SCA-435060L
Not Yet Reviewed
Estimated Ship Date: Oct 3, 2025 if ordered today
Estimated Ship Date: Oct 3, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.