Availability
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7, 6.0L, Each
Part Number: MAN-190058
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 350, Each
Part Number: SUM-SBC35040002P
Not Yet Reviewed
Estimated Ship Date: Monday 8/25/2025
Estimated Ship Date: Monday 8/25/2025
Crankshaft, Internal Balance, Forged 4340 Steel, 4.500 in. Stroke, Chevy, Big Block, Tall Deck, Each
Part Number: ESP-445445006535
Not Yet Reviewed
Estimated Ship Date: Sep 23, 2025 if ordered today
Estimated Ship Date: Sep 23, 2025 if ordered today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, 350, 2.000 Pin, Each
Part Number: CPI-SAG143-CM
Not Yet Reviewed
Estimated Ship Date: Nov 20, 2025 if ordered today
Estimated Ship Date: Nov 20, 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: Nov 20, 2025 if ordered today
Estimated Ship Date: Nov 20, 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: Nov 20, 2025 if ordered today
Estimated Ship Date: Nov 20, 2025 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.100 Pin, 350 Main, Big Block Post, Chevy, Small Block, Each
Part Number: CPI-SMO11A-MG
Not Yet Reviewed
Estimated Ship Date: Nov 20, 2025 if ordered today
Estimated Ship Date: Nov 20, 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: Nov 20, 2025 if ordered today
Estimated Ship Date: Nov 20, 2025 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 5.000 in. Stroke, 7.000 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each
Part Number: CPI-BBV42B-MG
Not Yet Reviewed
Estimated Ship Date: Nov 20, 2025 if ordered today
Estimated Ship Date: Nov 20, 2025 if ordered today
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: Nov 20, 2025 if ordered today
Estimated Ship Date: Nov 20, 2025 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.375 in. Stroke, 2.200 in. Pin, Chevy, 454
Part Number: CPI-BBB42B-MG
Not Yet Reviewed
Estimated Ship Date: Nov 20, 2025 if ordered today
Estimated Ship Date: Nov 20, 2025 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.625 in. Stroke, 2.200 in. Pin, Chevrolet, Each
Part Number: CPI-BBR425-CS
Not Yet Reviewed
Estimated Ship Date: Nov 20, 2025 if ordered today
Estimated Ship Date: Nov 20, 2025 if ordered today
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.100 in. Stroke, Chevy, 5.7, 6.0L, Each
Part Number: MAN-190158
Not Yet Reviewed
Estimated Ship Date: Oct 8, 2025 if ordered today
Estimated Ship Date: Oct 8, 2025 if ordered today
4340 Forged Superlight
Part Number: SCA-435008-3
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each
Part Number: SCA-435010-20
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each
Part Number: SCA-435010-3
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
350 1-PC REAR SEAL PROCOMP LIGHTWEIGHT
Part Number: SCA-435010L-2
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.350 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435011LW
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, Each
Part Number: SCA-435012-3
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
4340 Forged Pro Series
Part Number: SCA-435018-2
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
4340 Forged Superlight
Part Number: SCA-435018-3
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, 350, Each
Part Number: SCA-435020-20
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7L, Each
Part Number: SCA-4LS140062
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4 in. Stroke, Chevy, Small Block LS, Each
Part Number: SCA-4LS140062-S
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4 in. Stroke, Chevy, Small Block LS, Each
Part Number: SCA-4LS140065-S
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.