hi guts
dose any one know the spec. on the ISF rear sway rear meaning length of bar, hole to hole length ect,ect. thanks

 

Look at Post #25 Here:

https://www.clublexus.com/forums/is-...way-bar-2.html

Lou

 

I measured it for a member who was wondering if it would fit his SC430.

Thanks for directing him Lou.

 

getting the IS-F rear sway bar from Sleepy 32" long 17mm the 430sc stock rear sway bar is 32" long and 12"mm
this will be a great upgrade for my car. a friend of mine just installed a gs430 19mm on his car with a little cut work.. he is the only one with anything bigger then 12mm on the 430sc.

 

Stiffer sways are typically NOT an upgrade, they just reduce the independence of an independent suspension. You'd be way ahead to put stiffer springs on the car first, especially if you're concerned about roll.

 

lobuxracer
I use Swift Springs with my 430sc now great springs. I will have the ISF setup on my car. 17mm IS-F rear bar and the gs430 28.6 front.
guys in Japan use the 17mm rear and 28.6 front they say it works nice for the street for the 430sc. parts from Japan very costly shipping cost. 19mm to stiff for the street.
I under stand you can get the upgrade setup from the factory now.