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Vehicle Info NeededSCATPART NUMBER: 942-4LS140065
Standard Weight 4340 Steel Crankshaft Chevy LS1 SuperStock Series
$1,39934$1472.99You Save$73.65
Ships on 09/14/2026
Lowest Price GuaranteeChevy LS158-Tooth Reluctor Wheel (2006-up engines) SuperStock Series - 700HP+ & Forced Induction Applications
- Standard Weight 4340 Steel Crankshaft
- Chevy LS1 SuperStock Series
- 4.000'' Stroke for use with 6.125'' Rod
- 2.100" Rod Pin Diameter
- 58-Tooth Reluctor Wheel
- 6-Bolt Flange
- 50 lbs.
Features: - Shot Peened, Heat Treated, Precision Ground & Ion Nitride for Superior Strength
- Rough Balanced and Reluctor Wheel Installed
- Keyway Cut for Damper
- Throws Lightened
- Straight Shot & Chamfered Oil Holes
- Gun-Drilled Mains
- Lightening Holes in All Rod Journals
- Large Radius on All Journals
- Utilizes stock 11mm x 1.5 flywheel/flexplate bolts (not included)
Forged Crankshafts
Each standard-weight crankshaft is forged from 4340 steel and includes micro-polished journals. Scat crankshafts are all nitride-hardened to increase strength and longevity. All of the rod journals have lighting holes, and there are also straight-shot oil holes. Ideal for powerful street, race, and High-compression applications, handling the power easily.
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Scat has been manufacturing and distributing crankshafts, connecting rods, and engine components for over fifty years. The tradition continues today with a 42,000 sq/ft facility in Redondo Beach, California. Quality is the first step in all Scat products... skilled craftsmen, superior materials, innovation, and dedication create the absolute best parts for you.
Part TypeCrankshaft
Product LineScat 4340 Forged Standard Weight Crankshafts
BrandSCAT
Package Height9.2
Package Width9.8
Package Length25.4
Weight56.9 PG
Part CategoryPerformance Parts
Crankshaft MaterialForged 4340 steel
Rod Journal Diameter2.1 in (53.3 mm)
Main Journal Diameter2.75 in (69.85 mm)
LightenedYes
QuantitySold individually
Crankshaft Snout StyleStandard
Main Bearings IncludedNo
Engine BalanceInternal
Rod Bearings IncludedNo
Reluctor Wheel Tooth Quantity58
Rear Main Seal Style1-piece
Requires Narrow BearingsYes
Part FitmentSemi Universal
Engine Stroke4 in (101.6 mm)
Vendor Part Number4-LS1-4000-6125-58
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
