kingpin angles are the same. has taken almost a year to find an axel shop to retro fit my axel with newer spindles.just picked it up it looks great. they added spacers on top and bottom of original axel found f*rd kingpins .922 dia. the rest is simple simon. now i have my rolling chassis started. frame was sandblasted and rust preventer painted over the summer.looks like engine and front disc brakes time. need to take some pictures too.