Billet main caps are CNC-machined from low-carbon 1020 material. They come available as stock replacements (straight bolt) or with splayed outer bolt holes. Splayed caps feature 10° angled outer holes to positively reinforce and tie the block together
- Main Cap Position:
- Rear
- Main Cap Fastener Style:
- Straight
- Main Cap Fastener Quantity:
- 2-bolt
- Main Journal Type:
- Chevy 350
- Main Cap Fasteners Included:
- No
- Main Cap Retention Style:
- Bolt
- Main Cap Material:
- Steel
- Machine Work Required:
- Yes
- Quantity:
- Sold individually.
- Notes:
- Designed for engines with wet sump oiling system. Milling top of caps required. Fits engines with 2-piece rear main seal only.
- Make:
- Chevrolet
- Engine Family:
- Chevy small block Gen I
- Engine Sizes:
- 5.7L/350
