2012 sr5 to 2018 TRD offroad suspension swap

Hey all, I got a great deal on a lightly used set of shocks and springs that I'd like to put on my truck. But I have a few questions before I start the swap.

1. The front coil springs have markings denoting which side of the vehicle they should be installed on. One coil has a red and blue dot and the other has a red and green dot. Which is which?

2. The leafs also have markings. There are red and green dots present, but the location of these colored dots is mirrored from one leaf pack to the other. Should the red or green dots be installed facing outward?

3. To the best of my knowledge, the shock absorbers shouldn't be side specific. If this is incorrect let me know.

4. I went ahead and bought new mounts for the front coil over assemblies so I won't have to disassemble my old set (probably easier to sell that way). The shock hat has a thick rubber bushing underneath where the top of the coil sits. The coil perch on the shock absorber does not have any sort of bushing. Should this side be a metal on metal contact or am I missing a piece?

I think that's about it. There are some pics attached related to the questions that'll hopefully provide a visual aid to my attempts at describing these parts. Any input is greatly appreciated. Thanks everyone!

 

Has nobody done this before? It seems like a reasonable, cheap upgrade.

 

Question 1 answer

 

Found it
https://www.tacomaworld.com/threads/review-3rd-gen-suspension-on-2nd-gen.542843/

 

https://imgur.com/iaId99f

 

Looking at the stock suspension, I don't see anything between the perch and coil spring. Looks like the spring mates directly to the perch with no bushing. So I should be good there.

 

Same part numbers for fronts and rears. Non side specific apparently.