Engine Crankshafts

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

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Crankshaft, 4140 Steel, Forged, 4.000 in. Stroke, Chevy LS1, 24-Tooth Reluctor, Each

Part Number: ESP-534640006100

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LS Crankshaft Woodruff Keyway, LS1, LS3, Timing Chain, Oil Pump Gear Crank Pin, Each

Part Number: ICB-551721

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Crankshaft Key, Chevy Vortec, LS1/LS2/LS6

Part Number: AAF-ALL87034

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Crankshaft, LS1 S-Series, Pro Stock, 6-Bolt, 4340 Forged Steel, 1-Piece Rear Main, Internal, Narrow Bearing, 4/4.125 in. Stroke, 6.125 in. Rod, Each

Part Number: SCA-4LS136365

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Estimated Ship Date: May 5, 2026 if ordered today

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Engine Crankshaft, Chevy LS1 4-LS1-4000-

Part Number: SCA-4LS140006125

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Estimated Ship Date: May 5, 2026 if ordered today

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LS1 STANDARD WEIGHT CHEVY LS1

Part Number: SCA-4LS142565

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Estimated Ship Date: May 5, 2026 if ordered today

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Crankshaft, 1-piece Seal, Internal Balance, Forged 4340 Steel, 4.125 in. Stroke, 2.100 in. Pin, Chevy, Each

Part Number: SCA-4LS141262

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Estimated Ship Date: May 5, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Lightweight, 4340 Billet, 4.000 Stroke, Chevy, LS1, Each

Part Number: MAN-190858B

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Estimated Ship Date: Mar 25, 2026 if ordered today

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LS1 STANDARD WEIGHT CHEVY LS1

Part Number: SCA-4LS142562

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Estimated Ship Date: May 5, 2026 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, 4.125 in. Stroke, Internal Balance, Chevy, 6.0L, 6.2L, 7.0L

Part Number: SCA-4LS141265

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Estimated Ship Date: May 5, 2026 if ordered today

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Crankshaft, Standard Weight, Forged 4340 Steel, Internal Engine Balance, 3.622 in. Stroke, Chevy, 4.8L, 5.3L, 5.7L, 6.0L, Each

Part Number: SCA-4LS136262

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Estimated Ship Date: May 5, 2026 if ordered today

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Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7L, Each

Part Number: SCA-4LS140065

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COMPSTAR 8 CTWT LS1 CRANK 3.622 stroke

Part Number: CPI-AWH-31Q-CS

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Estimated Ship Date: May 4, 2026 if ordered today

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4340 Pro Stock

Part Number: SCA-4LS141285

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Estimated Ship Date: May 5, 2026 if ordered today

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CHEVY LS1 4340 CRANK

Part Number: ESP-434642506560

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Estimated Ship Date: Apr 14, 2026 if ordered today

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Engine Crankshaft, Chevy LS1 4-LS1-3622-

Part Number: SCA-4LS136226125

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Estimated Ship Date: Apr 30, 2026 if ordered today

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4340 Pro Stock

Part Number: SCA-4LS141282

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Estimated Ship Date: May 5, 2026 if ordered today

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CALLIES LS1 ULTRA BILLET CRANK 4.000 STROKE

Part Number: CPI-AWO-31-UB

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Estimated Ship Date: May 20, 2026 if ordered today

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CRANKSHAFT LS1 (INCLUDES 95096 RELUCTOR RING)

Part Number: CRO-95100

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Estimated Ship Date: Mar 18, 2026 if ordered today

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CRANKSHAFT 4340 BILLET CHEVY LS1 CUSTOM STROKE INCLUDES RELUCTOR RING

Part Number: CRO-95100C

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Estimated Ship Date: Mar 31, 2026 if ordered today

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LS1 Crank Adapter Use with 93005 (includes bolts)

Part Number: JPT-80014

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Estimated Ship Date: Apr 3, 2026 if ordered today

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MAGNUM LS1 DRY SUMP POST CRANK 4.125 2.5585 2.100

Part Number: CPI-AWU-31V-MG

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Estimated Ship Date: May 27, 2026 if ordered today

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MAGNUM LS1 CRANK 4.250 2.5585 2.100

Part Number: CPI-APP-31V-MG

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Estimated Ship Date: May 27, 2026 if ordered today

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