Originally Posted by flashburn

I'll say this again, but they have updated the part number for the stock spring lifts for the Z. If you tell them to check the part number, they will see that the number has been updated which will give them the go ahead to order replacements under warranty. This was the information I was given by the service manager at a local dealer I have been dealing with. They were on back order last I heard, but they should come in within a couple weeks.

I received mine this week and they are indeed a bit taller and stiffer.