Chevy BBC 454 12 Point Black Oxide Exhaust Header Bolt Kit Pinit $19.10 SKU: PCE317.1003 Quantity -+ Add to Cart Details Brand: PCE Part Number: PCE317.1003 Part Type: Header Fasteners Thread Size: 3/8-16 in. Underhead Length (in): 1.000 in. Head Style:... DetailsBackDetailsBrand:PCEPart Number:PCE317.1003Part Type:Header FastenersThread Size:3/8-16 in. Underhead Length (in):1.000 in. Head Style:12 PointFastener Style:BoltFastener Finish:Black OxideFastener Material: SteelQuantity: Sold as a set of 16.See MoreSee Less