This Duct,air Inlet is the most expensive of the items that make up this Air Cleaner (h1-d/e/f) assembly.
The eighteen H1d 1973 Canada Air Cleaner (h1-d/e/f) component parts are all listed in this schematic.
A sample from the products for the Air Cleaner (h1-d/e/f) include: Collar-silenser, Washer-plain,6mm, Washer-spring,6mm, Damper Rubber.