Chrysler used both plastic and metal filters.
examples here:
What years did Mopar use a plastic fuel filter?
More Discussion here:
Correct Fuel Filter on '68 Satellite
IMO more important will be to get metal fuel lines installed. Get or make a copy of the factory set up. Also if non-factory insure the filter has a slight tilt to it, per factory advice.
Carburetion and Performance Diagnosis: Session 63-7 Master Technician's Service Conference. page 13
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