Manufactured from premium AISI 4340 steel, Compstar crankshafts are the most durable in their class. Crankshafts are offered in a variety of strokes and journal sizes to suit most cubic inch requirements.
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:
- 2-piece
- Engine Stroke (in.):
- 4.750 in.
- Material:
- Forged 4340 steel
- Engine Balance:
- Internal
- Lightened:
- No
- Requires Narrow Bearings:
- Yes
- Rod Journal Diameter (in.):
- 2.200 in.
- Main Journal Diameter (in.):
- 2.750 in.
- Rod Length:
- 6.700 in.
- Crankshaft Snout Style:
- Standard
- Balancer Bolt Thread Size:
- 1/2-20 in.
- Weight:
- N/A
- Quantity:
- Sold individually.
- Make:
- Chevrolet
- Engine Family:
- Chevy big block Mark IV
- Engine Sizes:
- 6.5L/396-7.4L/454
- Years:
- 1965-1990
