Availability
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: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, 2-piece seal, Internal balance, Forged 4340 Steel, 3.875 in. Stroke, Chevy, 350, 2.100 Pin, Each
Part Number: CPI-SAM11A-MG
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 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, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAO24A-MG
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 4.250 in. Stroke, 2.100 in. Pin, Chevy, 400
Part Number: CPI-SAP21A-MG
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.335 in. Stroke, 5.700 in. Rods, 2.100 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAX11A-MG
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.335 in. Stroke, 5.700 in. Rods, 1.888 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAX19A-MG
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.480 in. Stroke, 5.700 in. Rods, 2.100 Pin, 350 Main, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SMF11A-MG
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 5.850 in. Rods, 2.100 Pin, Big Block Post, Chevy, Small Block, Each
Part Number: CPI-SMM11A-MG
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.875 in. Stroke, 6.000 in. Rods, 2.100 Pin, 400 Main, Big Block Post, Chevy, Small Block, Each
Part Number: CPI-SMM21AMG
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 4.000 in. Stroke, 6.000 in. Rods, 2.100 Pin, 350 Main, Big Block Post, Chevy, Small Block, Each
Part Number: CPI-SMO11A-MG
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 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: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 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: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
RB 30 MAGNUM BILLET 94.5 MM STROKE
Part Number: CPI-J089F9-MB
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, Compstar, Sport Series, Full Counterweight, Forged 4340 Steel, 3.465 in. / 88 mm Stroke, Mitsubishi, 4G63, 7 Bolt, Each
Part Number: CPI-S23002
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, Compstar, Sport Series, Knife Edged, Billet 4340 Steel, 3.701 in. / 94 mm Stroke, Mitsubishi, 4G63, 7 Bolt, Each
Part Number: CPI-S23003
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 3.701 in. / 94 mm Stroke, Mitsubishi, 4B11, Each
Part Number: CPI-S23004
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, Compstar, Sport Series, Full Counterweight, Forged 4340 Steel, 3.937 in. / 100 mm Stroke, Mitsubishi, 4G63, 7 Bolt, Each
Part Number: CPI-S23008
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, Compstar, Sport Series, Billet 4340 Steel, 3.205 in. / 81.4 mm Stroke, Ford, EcoBoost, 1.6L, Each
Part Number: CPI-S24001
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, Lightened Rod Journals, Forged 4340 Steel, 3.800 in. Stroke, Internal Balance, Ford, Modular V8, Each
Part Number: CPI-S24016-CS
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.000 in. Stroke, 5.700 in. Rods, 2.100 Pin, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAD11A-MG
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, Magnum, 2-Piece Seal, Forged 4340 Steel, 3.250 in. Stroke, 5.700 in. Rods, 2.000 Pin, Internal Balance, Chevy, Small Block, Each
Part Number: CPI-SAE-14AMG
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
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: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, 2.100 in. Pin, Chevy, 350
Part Number: CPI-SAG11A-MG
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
Crankshaft, 2-piece Seal, Internal Balance, Forged 4340 Steel, 3.500 in. Stroke, 2.000 in. Pin, Chevy, 350
Part Number: CPI-SAG14A-MG
Not Yet Reviewed
Estimated Ship Date: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 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: Feb 6, 2026 if ordered today
Estimated Ship Date: Feb 6, 2026 if ordered today
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