Lightweight features 4340 steel non-twist forging, heat-treated, precision-ground, stress-relieved, shot-peened, nitride-hardened, large fillet radii for use with narrowed bearings, gun-drilled rod journals, chamfered oil holes, magna-fluxed, and micro-polished.
Proposition 65 Warning:
This product may contain chemicals known to the state of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.
- Rear Main Seal Style:
- 1-piece
- Engine Stroke (in.):
- 4.000 in.
- Material:
- Billet 4340 steel
- Engine Balance:
- Internal
- Reluctor Wheel Included:
- Yes
- Reluctor Wheel Tooth Quantity:
- 24
- Lightened:
- No
- Requires Narrow Bearings:
- Yes
- Rod Journal Diameter (in.):
- 2.100 in.
- Main Journal Diameter (in.):
- 2.559 in.
- Rod Length:
- 6.125 in.
- Crankshaft Snout Style:
- Standard
- Balancer Bolt Thread Size:
- N/A
- Weight:
- 60 lbs.
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen III/IV (LS-based engines)
- Flywheel/Flexplate Attachment:
- 6-bolt
