I just had a set of these installed and told them to put the "A" spring on the driver's side and the "B" spring on the passenger side. Well, they got it backwards. I measured each side and they are even. So how big of a deal is it that they are on the wrong sides? Should I make them change them?

 

"A" side might have a slightly over-spec'd spring rate compared to the "B" spring? If it was me on my own Jeep, I would take the time to switch them around. If it's a customer or friend's Jeep, I would probably leave it and switch them if there's any sort of leaning once the suspension has settled.

Edit: Did you measure them as "even" with them installed or the coils freestanding?

 

It really shouldn't matter

 

OME 'A' coils/leafs have slightly higher spring rates than 'B' to compensate for drive train torque across the length of the chassis and load characteristics.

driver side = A front, B rear
passenger side = B front, A rear

 

But is it really going to make a difference? Called a dealer for them and they say you wouldn't even tell.

 

Performance-wise, probably not. Might sag a bit faster and begin to ride unevenly though.

 

If you're paying that much extra for a product that the company works hard to advertise as a premium tuned product, why not treat them like one? To the average user, probably won't make a bit of difference. For some, the little things like that can be important.

 

I agree. Make them fix it.

 

Whether it makes a difference or not is irrelevant. You requested a service, and paid for it. They screwed up. I would request they swap the springs. Last time I changed springs it took me an hour, maybe. A professional shop should be able to knock it out quick. I can't see them pissing away a customer over an hour's work.

 

I'm curious to see if they do it without charge. Hopefully the OP let's us know.

 

My 930s did not come marked A or B, both the same height.

 

Measured them installed.