Just got more info from Dynatrac... Looks like they are replacing with iron! Also glad to see that I will not need to R&R the ball joints!
Order Summary:
Item
Qty
Description
Rate
Amount
XD60-2X3131-C
1
Knuckle Set, Dynatrac XD60-1550, RH and LH, ***IRON***, 0.620" Bottom-Up Drag...