Lightweight, durable crankshafts are made from ultra-pure AISI 4340 forged steel. Crankshafts feature gun-drilled mains, fully profiled counter-weights, and have undergone exclusive Ultra-Case heat treatment. Available for a variety of small block Chevy applications
Features
- Forged from hi-grade 4340 steel
- Harden with a deep nitride
- Properly placed counter weights that not only improve balance but reduce bearing loads
- All journals are drilled & counter weights are profiled clearance
- Rear Main Seal Style:
- 2-piece
- Engine Stroke (in.):
- 3.875 in.
- Crankshaft Material:
- Forged 4340 steel
- Engine Balance:
- Internal
- Lightened:
- Yes
- Requires Narrow Bearings:
- Yes
- Rod Bearings Included:
- No
- Main Bearings Included:
- No
- Rod Journal Diameter (in.):
- 2.100 in.
- Main Journal Diameter (in.):
- 2.448 in.
- Rod Length:
- 6.000 in.
- Crankshaft Snout Style:
- Standard
- Balancer Bolt Thread Size:
- Cutom
- Weight:
- N/A
- Quantity:
- Sold individually.
- Notes:
- 350 Mains
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 5.7L/350
- Years:
- 1967-1986