Product details:

Thick Flanges1.580 in. H x 1.480 in. W Port - Black Steel - Includes Gaskets & Reducers Note:Headers are treated with a light coating of anti-corrosion paint to avoid rust during shipment and on the shelf. This coating must be removed entirely before painting with a high-temp paint for final installation. Coating can be removed with lacquer thinner and rags or sanded/sand blasted off. - Do not fit angle plug heads. - Automatic Transmissions Only - Tubes 3 and 5 sweep out to clear the steering shaft. - Tubes 1 and 7 tuck very close to the head.