Availability
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.200 in. Pin, Chevy, 454
Part Number: CPI-BBP42B-MG
Need It Sooner? We recommend these similar substitute parts:
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.750 in. Stroke, 2.200 in. Pin, Chevy, 454
Part Number: CPI-BBS42B-MG
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
4340 Forged Superlight
Part Number: SCA-445405C-3
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
351 FORD SUPERLIGHT
Part Number: SCA-4351C50-3
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
Crankshaft, Magnum, 2-piece Rear Main Seal Style, Internal Engine Balance, Forged 4340 Steel, 4.500 in. Stroke, Standard Snout, Chevrolet, 7.4L, Each
Part Number: CPI-BBQ42B-MG
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-Piece Seal, Internal Balance, Billet Steel, 4.500 in. Stroke, Chevrolet, Big Block, Each
Part Number: BRO-S0017
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2025 if ordered today
Estimated Ship Date: Nov 12, 2025 if ordered today
Crank, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, 2.100 in. Pin, Chevy, 350, BB Post
Part Number: CPI-SMJ11A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 400, 2.100 Pin, Each
Part Number: CPI-SAO21A-MG
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, 350, 2.100 Pin, Each
Part Number: CPI-SAF11A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
4340 Forged Superlight
Part Number: SCA-445430C-3
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
460 FORD, SUPERLIGHT FORD
Part Number: SCA-44604150-3
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
4340 Forged Pro Series Big Block Post
Part Number: SCA-773505621
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
4340 Forged Pro Series Lightweight
Part Number: SCA-445430C-2
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
Crankshaft, 4340 Steel, 2.750 in. Diameter Main, 4.00 in. Stroke, Ford, 351W, Cleveland Mains, Each
Part Number: SCA-4351C50-2
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
4340 Forged Pro Series Lightweight
Part Number: SCA-44604750-2
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
350 1-PC REAR SEAL SUPERLIGHT
Part Number: SCA-435010L-3
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
4340 Forged Superlight
Part Number: SCA-435028-3
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
Crankshaft, 2-Piece Seal, External Balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 454, Each
Part Number: SCA-445425-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
4340 Forged Pro Series Lightweight
Part Number: SCA-445425C-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.500 in. Stroke, 6.385 in. Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each
Part Number: CPI-BBG42B-MG
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
4340 Forged Pro Series Lightweight
Part Number: SCA-445405C-2
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
4340 Forged Pro Series Lightweight
Part Number: SCA-445415C-2
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
4340 Forged Superlight
Part Number: SCA-445415C-3
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 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: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
4340 Forged Superlight
Part Number: SCA-445425C-3
Not Yet Reviewed
Estimated Ship Date: Jan 2, 2026 if ordered today
Estimated Ship Date: Jan 2, 2026 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.