-well awhile ago i was moving stuff for Eurosport LLC. , and i came across a set of gnarly super stiff Eibach Pro-line springs from (i believe) a 6-series beamer. The fronts were used on the back of RBfastback's old 2.5rs. They were a PERFECT fit. I still have the back ones left and i think they will fit the stock S13 rear struts. I need to know the inside diameter of the stock rear springs for an S13.

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give me a few minutes an i'll measure one i have outside.

 

3.04in

 

-sweet. These puppies measured 3 1/16th inch. These springs should really help stiffen up the rear-end of my car, along with my HICAS sway bar. Next Question: where do i find Hicas rear sway bar bushings?lol

 

someone else it gonna have to help out there.

i don't really know what hicas is/are. i just know my 240 didn't come with it/them so i don't care to know more about it than i already do.