Product Description
The holes for the primary tubes on our BBC header flanges are machined on a biased angle so the tubes are angled upward. This matches the exit angle of the exhaust ports to improve exhaust flow.
- #923-301 2-1/8″ Header Flange for Standard BBC
- #923-302 2-1/4″ Header Flange for Standard BBC
- #923-303 2-3/8″ Header Flange for Standard BBC