Compstar Small Block Chevy cranks are available in a wide variety of strokes and journal sizes to fit most any common cubic inch requirement. Made from the same 4340 material as all of our other Compstar components, these crankshafts are the most durable in their class.
- Rear Main Seal Style:
- 2-piece
- Engine Stroke (in.):
- 3.750 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.):
- 2.648 in.
- Rod Length:
- 6.000 in.
- Crankshaft Snout Style:
- Standard
- Balancer Bolt Thread Size:
- Custom
- Weight:
- 50 lbs.
- Quantity:
- Sold individually.
- Notes: 400 Mains:
- 1
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 6.6L/400
- Years:
- 1970-1980
- Crankshaft to Flywheel Attachment:
- 6-bolt
