Xii or sis drop coils the same

[Nashman]

I have a set and after installing my flex from leafs it rides so nice now.

I was hoping to have an idea what the spring rate was

Dud sis make coils or was it only iix

Thanks

 

[NHXRUNNER]

Sittin’ Sic was bought out by XII Performance. If I remember correctly the first run of SS springs was a different spring rate but since then everything has been the same.

 

[Nashman]

So what ones are stiffer I am pretty sure I have sic ones since it's in the model number

 

[NHXRUNNER]

I think the XII were stiffer by 50 PPI. The numbers are on this forum somewhere....

 

[Nashman]

I think the XII were stiffer by 50 PPI. The numbers are on this forum somewhere....

Well that sounds good the flex froms work well with the oem springs with a spacer kit but could be a tad stiffer if could find the numbers that would be awesome

 

[BSP06XRU]

I thought Sitting Sic springs were 775 (original gen1 springs), I don't know about the Eibach ones (maybe 900)?

 

[Nashman]

Installed them an they are pretty good not bounce y at all