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

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: ESP-534640006100

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: ICB-551721

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Crankshaft Key, Chevy Vortec, LS1/LS2/LS6

Part Number: AAF-ALL87034

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Crankshaft, Chevy LS1 4-LS1-4000-

Part Number: SCA-4LS140006125

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

LS1 STANDARD WEIGHT CHEVY LS1

Part Number: SCA-4LS142565

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

LS1 STANDARD WEIGHT CHEVY LS1

Part Number: SCA-4LS142562

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SCA-4LS141262

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SCA-4LS141265

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: SCA-4LS140065

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

4340 Pro Stock

Part Number: SCA-4LS141285

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

4340 Pro Stock

Part Number: SCA-4LS141282

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

FORGED CRANKSHAFTS

Part Number: SCA-4LS141285-C

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

FORGED CRANKSHAFTS

Part Number: SCA-4LS14125

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

FORGED CRANKSHAFTS

Part Number: SCA-4LS141262-S

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

FORGED CRANKSHAFTS

Part Number: SCA-4LS141265-S

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

FORGED CRANKSHAFTS

Part Number: SCA-4LS141282-C

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

CRANKSHAFT

Part Number: DRT-934640006125

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Crankshaft Keys, Short Type, 0 degree Offset, Steel, Natural, 0.750 in. Length, Buick, Chevy, Pair

Part Number: PIO-839009

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Today

Crankshaft Key, Long Type, 0 degree Offset, Steel, Natural, Chevy, Each

Part Number: NAL-12561513

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

Woodruff Key, Long, .188 in. x 1.375 in., Chevy, Chrysler, Pontiac, Set of 2

Part Number: PIO-839010

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: ESP-434636226100

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping