Synergy 8009-30 - Jeep JK Front Axle Outer Shell Kit - Manual (Page 8)

14. Weld the outer end of the tube to the inner C
15. Weld the inner end of the tube shell to the cast center section. Tig welding with
stainless 312 or similar dissimilar metal welding rod works best. You can also mig or
stick weld with pre and post heat.