BBC Header Flanges

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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

Download PDF: BBC Header Flange Dimensions