We ARE the manufacturer..... Detroit Muscle Technologies 
 
Description/contents
Very complete NON A/C BASIC heater box restoration kit (this is NOT A/C - have those in another listing) for your 1973-76 Dart, Duster or Valiant.
 
NOTE: ALSO HAVE ANOTHER KIT FOR THIS HEATER BOX IN ANOTHER LISTING WITH NEW HEATER BOX CLIPS CALLED THE "BIG" KIT.
     
Contents
Driver side fresh air vent box to cowl gasket
Blower motor to firewall seals
Heater box to cowl seal (thick foam rubber ring)
All door charcoal foams
White rope caulk for box half sealing
Blower motor to rear plaste gasket
Blower motor to plate gasket (round tan ring)
Driver and passenger side fresh air vent door foams
NEW Rear cardboard backing
  
Shipping
IMPORTANT SHIPPING NOTICE
Shipments outside the US take at least 7-14 days.
Shipments to Canada take at LEAST 14 days and sometimes as long as 30 days.
We ship First Class International Mail for all shipments under 4lbs and under 1 cubic foot. 
We ship International Priority Mail, for shipment over 4lbs or 1 cubic foot.
BOTH methods take the same amount of time.
There are NO tracking numbers shipping outside the US unless you pay additional for UPS or International Express Mail.
UPS or International Express Mail have EXPENSIVE brokerage fees of $35+ plus local taxes.