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Manley Performance Manley Chevrolet LS 4340 Forged 4.000in Stroke Lightweight Crankshaft w/ 58 Tooth Reluctor Wheel
Manley Performance Manley Chevrolet LS 4340 Forged 4.000in Stroke Lightweight Crankshaft w/ 58 Tooth Reluctor Wheel
Manley Performance Manley Chevrolet LS 4340 Forged 4.000in Stroke Lightweight Crankshaft w/ 58 Tooth Reluctor Wheel
Manley Performance Manley Chevrolet LS 4340 Forged 4.000in Stroke Lightweight Crankshaft w/ 58 Tooth Reluctor Wheel
Manley Performance Manley Chevrolet LS 4340 Forged 4.000in Stroke Lightweight Crankshaft w/ 58 Tooth Reluctor Wheel
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Manley Chevrolet LS 4340 Forged 4.000in Stroke Lightweight Crankshaft w/ 58 Tooth Reluctor Wheel

MAN192158
807298076690
Crankshafts
Out of stock
$ 1,384.63 $ 1,273.86

SKU: 192158 | UPC: 807298076690

Manley Chevrolet LS 1997+ 4340 Forged 4.000in Stroke Lightweight Crankshaft w/ 58 Tooth Reluctor Wheel

This Manley Pro Series crankshaft delivers strength and reduced weight for Chevrolet LS engine builds from 1997 onward including Corvette Camaro and Silverado models. The 4.000 inch stroke supports 408 cubic inch stroker configurations while the 58 tooth reluctor ensures accurate timing signals for Gen IV ECM compatibility. Engine builders rely on this forged component to handle high RPM and boost power safely.

Key Features

  • Forged 4340 Steel: High tensile strength withstands extreme horsepower and nitrous applications without failure
  • Lightweight Design: Gun drilled and profiled to save 4-5 lbs over stock accelerating engine response and revs
  • 4.000 Inch Stroke: Increases displacement for torque gains in LS1 LS2 LS3 and LS7 blocks
  • 58 Tooth Reluctor Wheel: Provides precise crank position data for 2007+ LS3 LS7 and aftermarket ECU systems
  • Nitrided Finish: Enhances surface hardness and corrosion resistance for long term durability

Product Notes

  • Internally balanced to 28 oz-inches requires matching with components of same balance spec
  • Nitride process complete no additional surface treatment needed
  • Heavy item ships via ground freight secure packaging protects against damage

Installation Notes

  • Professional installation recommended.
  • Fits 2.559 inch main journals and 2.100 inch rod journals standard LS sizing
  • Pair with 6.125 inch H-beam rods and 4.030 inch bores for 408ci kit

This Part Fits

Year Make Model Submodel
1997-2004 Chevrolet Corvette Base LS1
1998-2002 Chevrolet Camaro Z28 LS1
2001-2004 Chevrolet Corvette Z06 LS6
2005-2007 Chevrolet Corvette Base LS2
2008-2013 Chevrolet Corvette Base LS3
2006-2013 Chevrolet Corvette Z06 LS7
1999-2007 Chevrolet Silverado 1500 All LS

Why Choose Manley?

  • Decades of experience building championship winning LS race engines
  • USA made with tight tolerances for perfect fit and balance
  • Field proven in drag racing circle track and street performance

Frequently Asked Questions

  • Q: Will this crankshaft fit early LS1 engines with 24x reluctor?
    A: Yes it installs in any Gen III or IV LS block but requires 58x ECM or converter for timing compatibility
  • Q: What material and journals does it use?
    A: Forged 4340 alloy steel with 2.559 inch mains and 2.100 inch rod pins matches factory LS specs
  • Q: Does it come balanced and what warranty?
    A: Pre-balanced internally to 28 oz requires pro balancing with pistons rods. Backed by Manley limited warranty against defects

Shipping & Handling

  • Method: UPS Ground or Freight
  • Availability: In stock - ships same or next business day
  • Packaging: Heavy duty box 28in L x 14in W x 9in H
  • Weight: 58 lbs

Request For Information

Have questions about Manley Chevrolet LS 4340 Forged 4.000in Stroke Lightweight Crankshaft w/ 58 Tooth Reluctor Wheel? Fill out the form below and we'll get back to you by the next business day.
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