The engine mounts are the easiest way to tell. Take a look at the pictures here, they show both versions (you’ll have to scroll past the other body styles).
K-Member ID Chart
ID’g the K is important, the later sway bar mounts are different. The later sway bars are a nice improvement compared to the earlier ones, but again, they use different sway bar tab locations too. Always best to identify everything you have if you have mixed and matched parts, it gets really easy to order stuff that won’t fit if you don’t figure out everything you’ve got first.
