Availability
Crankshafts
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: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 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: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
4340 Forged Pro Series Big Block Post
Part Number: SCA-773505621
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
PRO SERIES CRANKSHAFT
Part Number: SCA-4289022-2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Crankshaft, 2-Piece Seal, Internal Balance, Billet Steel, 4.250 in. Stroke, Chevrolet, Big Block, Each
Part Number: BRO-S0013
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered 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
Part Number: SCA-435032-2
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
4340 Forged Superlight
Part Number: SCA-435018-3
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
4340 Forged Superlight
Part Number: SCA-435028-3
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 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: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, 350, Each
Part Number: SCA-435020-3
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, 350, Each
Part Number: SCA-435050-3
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 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: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.250 in. Stroke, 6.250 in. Rods, 2.100 Pin, 400 Main, Big Block Post, Chevy, Small Block, Each
Part Number: CPI-SMP21A-MG
Not Yet Reviewed
Estimated Ship Date: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
4340 Forged Superlight
Part Number: SCA-435052-3
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
350 1-PC REAR SEAL SUPERLIGHT
Part Number: SCA-435010L-3
Not Yet Reviewed
Estimated Ship Date: May 28, 2026 if ordered today
Estimated Ship Date: May 28, 2026 if ordered today
4340 Forged Pro Series
Part Number: SCA-435018-2
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 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: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
4340 Forged Pro Series Big Block Post
Part Number: SCA-773507620
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
4340 Forged Pro Series Big Block Post
Part Number: SCA-773507621
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
4340 Forged Pro Series
Part Number: SCA-435022-2
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 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: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.625 in. Stroke, 6.700 in Rod, 2.200 Pin, Internal Balance, Mopar, Big Block, Each
Part Number: CPI-GER-62J-MP
Not Yet Reviewed
Estimated Ship Date: Jun 22, 2026 if ordered today
Estimated Ship Date: Jun 22, 2026 if ordered today
350 1-PC REAR SEAL PROCOMP LIGHTWEIGHT
Part Number: SCA-435010L-2
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
4340 Forged Pro Series Big Block Post
Part Number: SCA-773508620
Not Yet Reviewed
Estimated Ship Date: May 29, 2026 if ordered today
Estimated Ship Date: May 29, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster