Any idea where these bushes go?
 

I had sent sent Superpro an email asking about these bushes. I asked "Do SPF3818 bushes go in the same location as SPF3907K bushes? Am I correct in saying that SPF3818 replaces OEM bushes while SPF3907K supplements OEM bushes?" but my only reply was a copy & paste from their website.
Crossmember Insert Enhancement Kit

Subframe to Chassis Mount Bush Kit
It is these 2nd bushes I am asking about.

Cheers

Wouldn't they mount to the Subframe to Chassis points? There are four points to the subframe and eight new bushings.

So wouldn't you press out the OE rubber and insert these?

The first are inserts that fill some of the voids, the second is a complete replacement. The bushings that fill the voids are much easier to install because you don't have to remove the rear diff and entire subframe and then figure out a way to get the stock ones out. Whiteline also makes the complete replacements (and inserts which probably don't fit), and Kartboy has a similar set of the inserts.

The bushes go in the ground next to the other bushes...

It's great when a company can't tell you about a product they are selling.
This is the reply from an email I received:
"Regards to you email for the Subaru brz ,spf3907k is a cross member insert enhancement kit for the brz where the spf 3818k is for the sub frame to chassis mount kit"

No help at all.

Have a look at whitelines videos on Youtube. They have a video of those insert bushes. They just fill the voids in the factory bushes.

Thanks but there was no problem as to where the insert bushes went.

OH !! I just find out this old thread , too late ....


I ask the same question and they answer me "SPF3907K and SPF3818K are different, containing different parts for rear of vehicle," !!

shrubbery?