Intake Flange - Aluminum Brand: Cuyuna Part Number: 399-07-012-00 Notes: Pair of Aluminum Intake flanges that fit all 400 and 440 Cuyuna's with the 6 bolt heads. These are alluminum and made to the exact specs as the orginal. No more cracks, leaks or brittle plastic. Price is for two, enough for one engine. Price: $25.00