Not sure about the small block stuff but I`ve been beatin on the stock caps in my 470 w/ARP studs for 13+ years and Jason Pettis said he`s seen way worse cap walk on other motors and these studs even spent years in my 360..........


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....