then there's these : ebay, rockers

Just watch buying questionable rockers (tho there may be no other choice for MJ's now :( )

I installed some JC Whitney rockers on my XJ a few years ago.

They were all one dimension, so they stuck out much further in the ft than the factory rockers (factory rockers taper from front to back, getting deeper as they go back).

Cheepies from JC Whitney (XJ):

Factory MJ Rocker:

Factory XJ Rockers:

Those Ebay MJ rockers look more like the JC Whitney's than the factory stuff: