doug or tti headers

Only up to '73 is listed on the application chart for those. Will they fit a '74 Duster?

Pic of a 71 car with a 73+ spool mount K frame and steering gear. Here's the thread:

http://www.forabodiesonly.com/mopar/showthread.php?t=48531&page=3&highlight=dougs

The front clips of the cars are essentially the same from 67-76.

The Dougs will fit a spool mount car.