7 1/4. 9" drums. Original stuff it seems, or.at least the drums are (Made in Canada cast marks) One of the tensioners doesn't hit the detent so it rotates freely.
If you need the oval spring that goes on the brake strut lever, order NAPA part # 80744 and they come two per... those springs are not in any of the hardware or spring kits, you have to order them separately...