9 inch drum self adjusting brake SPRING (gotta be for (9 inch )

Couldn't find just the springs, but the whole hardware kit for 9" is under $5. I took a guess and used '70 Dart as a search, not sure how much difference there is year-to-year...
1970 DODGE DART 3.7L 225cid L6 Drum Brake Hardware Kit | RockAuto