Availability
Engine Crankshafts
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Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, Standard Snout, Chevy, Small Block, Each
Part Number: ESP-103503480
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
BUILD IT WITH SUMMIT!
Crankshaft, Pro LS, 4340 Forged Steel, 4 in. Stroke, 24X Reluctor, Lightened Rod Journals, Gun-drilled Mains, Internal balanced, LS1, Each
Part Number: SUM-180LS400024X
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Crankshaft, Internal Balance, Forged 4340 Steel, 3.48 in. Stroke, Chevrolet, Small Block, Each
Part Number: MAN-190310
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Crankshaft, 1-Piece Seal, External Balance, Cast Steel, Standard Snout, Chevy, Small Block, Each
Part Number: ESP-103523750
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Cast Steel, Mopar, Small Block 340, 3.310 in. Stroke, Each
Part Number: ESP-103403310
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
351 SMALL BLOCK FORD
Part Number: SCA-9351C46
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.000 in. Stroke, Chevy, 327, Small Journal, Each
Part Number: ESP-432730005700
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Crankshaft, Forged 4340 Steel, 4.250 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each
Part Number: CPI-APP-31V-AS
Not Yet Reviewed
Estimated Ship Date: Jul 8, 2026 if ordered today
Estimated Ship Date: Jul 8, 2026 if ordered today
Crankshaft, One-piece Seal, Internal Balance, Forged 4140 Steel, 3.622 in. Stroke, 6.100 in. Rod Length, Chevrolet, Small Block LS, Each
Part Number: ESP-534636226100
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Crankshaft, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, 6 Bolt, 58-tooth GM Reluctor, Standard Snout, Chevy, Small Block, LS, Each
Part Number: CPI-APU-31V-AS
Not Yet Reviewed
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435032LW
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Estimated Ship Date: Monday 4/13/2026 if shipped by air
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435072LW
Estimated Ship Date: Jun 16, 2026 if ordered today
Estimated Ship Date: Jun 16, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.750 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435062LW
Not Yet Reviewed
Estimated Ship Date: Jun 15, 2026 if ordered today
Estimated Ship Date: Jun 15, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.625 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435051LW
Not Yet Reviewed
Estimated Ship Date: Jun 16, 2026 if ordered today
Estimated Ship Date: Jun 16, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435030LW
Not Yet Reviewed
Estimated Ship Date: Jun 16, 2026 if ordered today
Estimated Ship Date: Jun 16, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.562 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435041LW
Not Yet Reviewed
Estimated Ship Date: Jun 19, 2026 if ordered today
Estimated Ship Date: Jun 19, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435031LW
Not Yet Reviewed
Estimated Ship Date: Jun 17, 2026 if ordered today
Estimated Ship Date: Jun 17, 2026 if ordered today
Crankshaft, 2-Piece Seal, Internal Balance, Forged 4340 Steel, 3.480 in. Stroke, Chevy, Small Block, Each
Part Number: SCA-435021LW
Not Yet Reviewed
Estimated Ship Date: Jun 16, 2026 if ordered today
Estimated Ship Date: Jun 16, 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: Jul 8, 2026 if ordered today
Estimated Ship Date: Jul 8, 2026 if ordered today
3.480" stroke, internal balance, cast mild steel, Chevrolet small block 1pc rear seal, IMCA legal
Part Number: ESP-S0095
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 if ordered today
3.480" stroke, internal balance, cast mild steel, Chevrolet small block 1pc rear seal, IMCA legal
Part Number: ESP-103523480CM
Not Yet Reviewed
Estimated Ship Date: Jun 3, 2026 if ordered today
Estimated Ship Date: Jun 3, 2026 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: Jun 16, 2026 if ordered today
Estimated Ship Date: Jun 16, 2026 if ordered today
Counter Balance Plate, Steel, Chevy, Small Block 400, Each
Part Number: RAU-399-100
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.800 in. Stroke, 5.850 in. Rods, 2.100 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAK21A-MG
Not Yet Reviewed
Estimated Ship Date: Jul 8, 2026 if ordered today
Estimated Ship Date: Jul 8, 2026 if ordered today
Crankshaft, 2-Piece Seal, 4340 Steel, Standard Snout, 4.00 in. Stroke, Chevy, Small Block, 400, Each
Part Number: SCA-440086-2
Not Yet Reviewed
Estimated Ship Date: Jun 16, 2026 if ordered today
Estimated Ship Date: Jun 16, 2026 if ordered today
Crankshaft, 2-Piece Seal, 4340 Steel, Standard Snout, 3.562 in. Stroke, Chevy, Small Block, 350, Each
Part Number: SCA-435030-3
Not Yet Reviewed
Estimated Ship Date: Jun 16, 2026 if ordered today
Estimated Ship Date: Jun 16, 2026 if ordered today
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