Billet main caps offer increased bottom end strength. Many of the billet caps listed are for converting a two-bolt main block to the more durable four-bolt main configuration.
- Main Cap Position:
- 3-center
- Main Cap Fastener Style:
- Straight/Angeled
- Main Cap Fastener Quantity:
- 4-bolt
- Main Journal Type:
- AMC 401
- Main Cap Fasteners Included:
- No
- Main Cap Retention Style:
- Bolt
- Main Cap Material:
- Steel
- Machine Work Required:
- Yes
- Quantity:
- Sold as a set.
- Make:
- AMC
- Engine Family:
- AMC V8
- Engine Sizes:
- 6.6L/401