Availability
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.480 in. Stroke, 5.700 in. Rods, 2.000 Pin, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAF14A-MG
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.500 in. Stroke, 5.700 in. Rods, 1.888 Pin, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAG19A-MG
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.750 in. Stroke, 5.850 in. Rods, 2.000 Pin, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAJ14A-MG
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.750 in. Stroke, 5.850 in. Rods, 1.888 Pin, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAJ19A-MG
Not Yet Reviewed
Estimated Ship Date: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 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: Dec 22, 2025 if ordered today
Estimated Ship Date: Dec 22, 2025 if ordered today
Pulley Kit, Serpentine, Aluminum, Black Onyx Main X Bracket, Clear Powdercoated Pulleys, Power Steering, Chevy, Small Block, Ultra Kit
Part Number: MCH-20260-07
Not Yet Reviewed
Estimated Ship Date: Dec 12, 2025 if ordered today
Estimated Ship Date: Dec 12, 2025 if ordered today
Pulley Kit, Revolver, Serpentine, Black Onyx Main X Bracket, Clear Powdercoated Pulleys, Saginaw P/S, Chevrolet, W Big Block, Kit
Part Number: MCH-21385-07
Not Yet Reviewed
Estimated Ship Date: Nov 14, 2025 if ordered today
Estimated Ship Date: Nov 14, 2025 if ordered today
Serpentine System, Tru Trac, Alternator and Pulley, Sanden SD-7 A/C Compressor and Pulley, Polished P/S, Chrysler, Kit
Part Number: BSP-14800P
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Pulley Kit, Tru Trac, Serpentine System, Aluminum, Polished Aluminum, With A/C, Mopar, Big Block B/RB, Kit
Part Number: BSP-14820
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.800 in. Stroke, 5.850 in. Rods, 2.100 Pin, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAK11A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.800 in. Stroke, 5.850 in. Rods, 2.000 Pin, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAK14A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.800 in. Stroke, 5.850 in. Rods, 2.000 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAK24A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.562 in. Stroke, 5.850 in. Rods, 1.888 Pin, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SA619A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.625 in. Stroke, 5.750 in. Rods, 2.000 Pin, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAH14A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.625 in. Stroke, 5.750 in. Rods, 1.888 Pin, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAH19A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.000 in. Rods, 2.000 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAM24A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.000 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAO14A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 1.888 Pin, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAO19A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.550 in. Stroke, 5.700 in. Rods, 2.100 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAT11A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.550 in. Stroke, 5.700 in. Rods, 2.000 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAT14A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.000 in. Rods, 2.000 Pin, 400 Main, Big Block Post, Chevy, Small Block, Each
Part Number: CPI-SMM24A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 1.888 Pin, 350 Main, Big Block Post, Chevy, Small Block, Each
Part Number: CPI-SMO19A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.000 Pin, 400 Main, Big Block Post, Chevy, Small Block, Each
Part Number: CPI-SMO24A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.125 in. Stroke, 6.200 in. Rods, 2.100 Pin, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAU11A-MG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.125 in. Stroke, 6.125 in. Rods, 2.100 Pin, 400 Main, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAU21AMG
Not Yet Reviewed
Estimated Ship Date: Jan 16, 2026 if ordered today
Estimated Ship Date: Jan 16, 2026 if ordered today
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