Prepping factory k-member for race duty

K members for HiPo engines were supposed to have more complete welding and denoted by the washer welded to the front . My 340 car has the washer as did my 6 pak B-Body K-member. I never compared one side by side with a non HiPo one .
My slant 6 K-member looked like it was built in a prison, on a Friday afternoon or a Monday morning after a holiday. Lol,