These Nicson Marine Exhaust Manifolds are for a 392, 354, or 331 Hemi. Yes they are not car parts but for a Hot Rod Boat with a HEMI!!. Cast aluminum with a polish finish. No cracks that I can see. They came off an engine that I bought out of a boat and built up for a car. I will ship to the USA only via USPS or UPS for the rate to your address.