I am not a machinist but I think the fit should be such that light hammer blows are needed to install the kingpin. I had hardened steel bushings installed on my 1 Ton axle because of the same problem.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!