More Power in Every Purchase - Join the Summit Rewards Program Today!

More Power in Every Purchase - Join the Summit Rewards Program Today!

Beef up Your Bronco With These Deals - Shop Now!

2012 Crankshafts

Individual Parts

Results 1 - 25 of 56

Summit Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS400058

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Snout. 58-tooth GM Reluctor, Ea.

Part Number: CPI-APO31Q-CS58

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Crankshaft, One-piece Seal, Internal Balance, Forged Steel, 3.622 in. Stroke, Cadillac, Chevy, 6.2L, Each

Part Number: NAL-12641691

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: ESP-434640006100

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 7.0L, Each

Part Number: ESP-442740006100

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 6, 2025 if ordered today

Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Snout, Each

Part Number: CPI-APO-31Q-CS

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

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: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.000 in. Stroke, Chevy, 6.0L, Each

Part Number: ESP-434740006100

Not Yet Reviewed

Estimated Ship Date: Oct 27, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 27, 2025 if ordered today

Crankshaft, Compstar 4340 Forged LS, 4.000 Stroke, Internal Balance, 8 counterweight, 6-bolt Flange, Standard Post. Includes 24-tooth GM Reluctor, Ea.

Part Number: CPI-APO31Q-CS24

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.100 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: MAN-190124

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2025 if ordered today

Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 24X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.

Part Number: SUM-180LS362224

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

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

Part Number: ESP-434736226100

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Crankshaft, Internal Balance, Forged 4340 Steel, 3.543 in. Stroke, Ford, 4.6L, Each

Part Number: ESP-428135435933

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Crankshaft, Compstar, Forged 4340 Steel, 4.125 in. Stroke, 6.125 in. Rod, Internal Balance, Chevy, LS, 58X Reluctor, Each

Part Number: CPI-APU31QCS

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 22, 2025 if ordered today

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

Part Number: ESP-434641256100

Not Yet Reviewed

Estimated Ship Date: Oct 29, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 29, 2025 if ordered 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: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Crankshaft, Standard Weight, Forged 4340 Steel, 3.750 in. Stroke, Internal Balance, Ford, Modular V8, Each

Part Number: SCA-46L020

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

CRANK-4340 FORGE 3.543 STROKE

Part Number: MAN-190350

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 10, 2025 if ordered today

CRANKSHAFT

Part Number: MAN-190360

Not Yet Reviewed

...Loading

Crankshaft, Chevy LS, forged, 4.000 stroke, lightweight, 58 tooth reluctor wheel, long snout

Part Number: MAN-192658

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 10, 2025 if ordered today

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: Dec 4, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 4, 2025 if ordered today

CRANK-4340 FORGE 4.050 STROKE

Part Number: MAN-191858

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2025 if ordered today

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.050 in. Stroke, Mopar Hemi V8 Modular, Each

Part Number: MAN-191832

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

...Loading

Estimated Ship Date: Nov 11, 2025 if ordered today

Crankshaft, Compstar 8 CTWT, 1-Piece Seal, Forged 4340 Steel, 4.080 in. Stroke, 6.125 in. Rod, 2.100 Pin, Internal Balance, Mopar, Hemi Gen III, Each

Part Number: CPI-YYA-E1Q-CS

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

...Loading

Estimated Ship Date: Monday 9/29/2025

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.