Availability
2017 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
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
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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
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Pro LS 4340 Forged Steel Crank, 4.000 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3
Part Number: SUM-180LS400058X
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 24X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS1
Part Number: SUM-180LS362224X
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Summit Chevy LS 4340 Forged Steel Crankshaft, 3.622 stroke, 58X Reluctor, Gun-drilled and Lightened, Nitride Hardened, Narrowed Rod Bearings Req.
Part Number: SUM-180LS362258
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Crankshafts, Magnum, 4340 Steel, 4.00 in. Stroke, Internal Balance, 58X Reluctor, 1-Piece Main, 2.10 in. Diameter Journal, Lightened, Chevy, LS, Each
Part Number: CPI-APO31V-MG
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Pro LS 4340 Forged Steel Crank, 3.622 Stroke, 58X Reluctor, Lightened Rod Journals and Gun-drilled Mains, Std. 6-bolt Flange, Internal balanced, LS3
Part Number: SUM-180LS362258X
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Crankshaft, 4140 Steel, Forged, 4.000 in. Stroke, Chevy LS1, 24-Tooth Reluctor, Each
Part Number: ESP-534640006100
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
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 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Crankshaft, One-piece Seal, Internal Balance, Forged 4140 Steel, 3.622 in. Stroke, 6.100 in. Rod Length, Chevrolet, Small Block LS, Each
Part Number: ESP-534636226100
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Crankshaft, Forged 4340 Steel, 4.000 in. Stroke, Internal Balance, 8 Bolt, 58-tooth GM Reluctor, Wet Sump Post, Standard Snout, Chevy, Gen V, Each
Part Number: CPI-5TO-31V-AS
Not Yet Reviewed
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Chevy LS 4340 Forged Steel Crankshaft, 4.000 stroke, 24X Reluctor, Lightened, Nitride Hardened, Narrowed Rod Bearings Req.
Part Number: SUM-180LS400024
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, LS, Each
Part Number: ESP-434736226100
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, 5.7, 6.0L, Each
Part Number: ESP-434636226100
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Crankshaft Key, Long Type, 0 degree Offset, Steel, Natural, Chevy, Each
Part Number: NAL-12561513
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
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: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Crankshaft Adapter Sleeves, OE Replacement, Steel, Chrysler, Dodge, Jeep, Ram, Gen III Hemi, Each
Part Number: MOP-04736283AA
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Woodruff Key for Summit Pro LS Crankshaft, Rearward Position, Long Key, zero offset, 1.484 in. Length, 3/16 wide, 1 ea.
Part Number: SUM-161001
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Woodruff Key for Summit Pro LS Crankshaft, Forward Position, Short Key. zero offset, .728 in. length, .300 tall, 1 ea.
Part Number: SUM-161000
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
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: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Crank Adapter Sleeve, 1.375 in. Pilot Dia., Steel, Ford, V8, Fits GM Converters, Each
Part Number: JPT-80002-3
Estimated Ship Date: Monday 2/2/2026
Estimated Ship Date: Monday 2/2/2026
Crankshaft, DuraStar, One-piece Seal, External Balance, Forged 4340 Steel, 3.898 in. Stroke, Chevy, 6.6L Diesel, Each
Part Number: CPI-D333M81CS
Not Yet Reviewed
Crankshaft, Forged 4340 Steel, 3.650 in. Stroke, Internal Balance, Ford, Modular V8, 5.0L Coyote, Each
Part Number: CPI-2242BTL-CS
Not Yet Reviewed
Estimated Ship Date: Apr 22, 2026 if ordered today
Estimated Ship Date: Apr 22, 2026 if ordered today
Crankshaft, Forged 1053 Steel, 3.622 in. Stroke, Internal Engine Balance, One-piece Rear Main Seal Style, 58-tooth, Chevrolet, 6.2L Gen V, Each
Part Number: NAL-12732518
Not Yet Reviewed
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 2/2/2026
Estimated Ship Date: Monday 2/2/2026
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