72 demon 340 number matching drevetrain

ok. sorry this is talking so long. i''ve been working hard. so i checked the k-member. it does have the welded washer to it. sadly my camera would finally chose the day i need it to crap out. lol. but thre is the bolt. and that's a pretty cool ID piece. didn't know that one. and as for the me keeping my cool i've been around this criticism and the wisdom for years just never like this. thanks so much guys.