On the early oil bath air filter equipped cars, those engines utilized some specific tin & ducting to route engine warmed air up to the air filter housing.
These pieces are now somewhat rare given they were only equipped on the earliest cars and many were updated to the later paper element housing which
didnt need the heating apparatus.
If you are restoring one of these 1.7L's this might be of interest to you
Would like them to go together but may separate.
$100 OBO