Appears to be machined? In that case I'd like one. This is the only part of the J-parts tree that I've damaged - it happened on hard frontal impacts: The holes that align/lock it into place, as well as the screw holes, seemed to stretch just a tiny bit, putting a lot of play on the whole front lower suspension (because the block could move around).
I hope they're aluminium though, not brass (I'm assuming that, too, going by the colour it's anodized in black?)... I don't need that much weight up front anymore, it's performing very well currently!