Availability
4340 Forged Pro Series Big Block Post
Part Number: SCA-773502021
Not Yet Reviewed
Estimated Ship Date: Oct 24, 2025 if ordered today
Estimated Ship Date: Oct 24, 2025 if ordered today
4340 Forged Pro Series Big Block Post
Part Number: SCA-773507620
Not Yet Reviewed
Estimated Ship Date: Oct 24, 2025 if ordered today
Estimated Ship Date: Oct 24, 2025 if ordered today
4340 Forged Pro Series Big Block Post
Part Number: SCA-773507621
Not Yet Reviewed
Estimated Ship Date: Oct 24, 2025 if ordered today
Estimated Ship Date: Oct 24, 2025 if ordered today
4340 Forged Pro Series Big Block Post
Part Number: SCA-773508620
Not Yet Reviewed
Estimated Ship Date: Oct 24, 2025 if ordered today
Estimated Ship Date: Oct 24, 2025 if ordered today
4340 Forged Pro Series Big Block Post
Part Number: SCA-773508621
Not Yet Reviewed
Estimated Ship Date: Oct 24, 2025 if ordered today
Estimated Ship Date: Oct 24, 2025 if ordered today
Crankshaft, One-piece Seal, Internal Balance, Cast Iron, Chevy, GMC, 5.3L, Each
Part Number: NAL-12685650
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Rotating Assembly, Forged Pistons, H-beam Connecting Rods, Internal Balance, 4.500 in. Stroke, 6.700 in. Rod Length, Chevy, 598, Kit
Part Number: MAN-28598
Not Yet Reviewed
Estimated Ship Date: Sep 8, 2025 if ordered today
Estimated Ship Date: Sep 8, 2025 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.250 in. Stroke, 6.385 in. Rod, 2.100 Pin, Internal Balance, Chevy, Big Block, Each
Part Number: CPI-BBP43B-MG
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, Chevy, 454, Each
Part Number: ESP-445442546385
Not Yet Reviewed
Estimated Ship Date: Sep 19, 2025 if ordered today
Estimated Ship Date: Sep 19, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Crankshaft Keys, Short Type, 0 degree Offset, Steel, Natural, Chevy, Pair
Part Number: PIO-839065
Crankshaft, Magnum, 1-Piece Seal, Forged 4340 Steel, 4.375 in. Stroke, 6.700 in Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, GenV, GenVI, Each
Part Number: CPI-IBB42B-MG
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Crankshaft, Magnum, 1-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.385 in Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, GenV, GenVI, Each
Part Number: CPI-IBO-42B-MG
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Crankshaft, Magnum, 1-Piece Seal, Forged 4340 Steel, 4.250 in. Stroke, 6.385 in Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, GenV, GenVI, Each
Part Number: CPI-IBP42B-MG
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Crankshaft, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Wet Sump Post, Standard Snout, Chevy, Gen V, Each
Part Number: CPI-5TH-31V-AS
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Counterweight, 58X Reluctor, Chevy, LSA, Each
Part Number: CPI-5PO-31W-MG
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Crankshaft, Forged 4340 Steel, 3.625 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Dry Sump Post, Standard Snout, Chevy, Gen V, Each
Part Number: CPI-5UH-31V-AS
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Crankshaft, Compstar, 1-Piece Seal, Forged 4340 Steel, 3.760 in. Stroke, 6.135 in Rod, 2.200 Pin, Internal Balance, Chevy, Big Block, Each
Part Number: CPI-IB3-425-CS
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 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: Sep 22, 2025 if ordered today
Estimated Ship Date: Sep 22, 2025 if ordered today
Crankshaft, 1-Piece Seal, External Balance, Forged 1053 Steel, 4.00 in. Stroke, Chevy, 502, Each
Part Number: NAL-10183723
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2025 if ordered today
Estimated Ship Date: Nov 12, 2025 if ordered today
Crankshaft, 1-Piece Seal, 4340 Forged Steel, 3.800 Stroke, Chevy, 5.7L, Each
Part Number: NAL-12489436
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2025 if ordered today
Estimated Ship Date: Nov 12, 2025 if ordered today
Crankshaft, 1-Piece Seal, Cast Iron, 3.480 in. Stroke, Chevy, 5.7L, Each
Part Number: NAL-14088526
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2025 if ordered today
Estimated Ship Date: Nov 12, 2025 if ordered today
Crankshaft, 1-Piece Seal, External Balance, Forged 1053 Steel, 4.000 in. Stroke, Chevy, 7.4L, Each
Part Number: NAL-14096983
Not Yet Reviewed
Estimated Ship Date: Nov 12, 2025 if ordered today
Estimated Ship Date: Nov 12, 2025 if ordered today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, Each
Part Number: CRO-95133
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, Big Block Chevy Snout, 4.125 in. Stroke, 2.100 in. Pin, Chevy, 400, Each
Part Number: CPI-SMU21A-MG
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2025 if ordered today
Estimated Ship Date: Nov 3, 2025 if ordered today
Crankshaft, 2-piece seal, External balance, Forged 4340 Steel, 4.625 in. Stroke, Chevy, Each
Part Number: CRO-95139
Not Yet Reviewed
Estimated Ship Date: Dec 8, 2025 if ordered today
Estimated Ship Date: Dec 8, 2025 if ordered today
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