Confused about lowering springs...

I don't know either .... but ....


On the Eibach website they have them both pictured. The Pro Kit pic has black springs. The Sportline kit has red springs. They MAY not have correct pics, though.
 
Another agreement - my Prokit springs are black.

Your theory sounds good: My Mach 1 springs arrived in an H&R box - I got all excited for a tenth of a second when I saw the box. :D

If Sportlines are like the PK springs, you should be able to get the part # and cross reference it.

Good luck.
 
I'd be soaking every fastener in PB before removal.

Then get some Corrosion Block or TC-11 and go over all the bolts on the car.

Good luck.
 
Looks like you already finished now .....


But for future searchers ..... I recall mine being tight in there, too. I used a regular open end wrench with another one looped onto it for some leverage. Came out easy that way.