Hy IBenDcars, Napa lists Balkamp p/n BK641354, o.a.l. 1 11/16", knurl diameter .56", length of shoulder 19/32", 1/2" X 20 t.p.i., hope that helps.
I am quessing o.a.l. is overall length
That says it is 1 11/16" and mine is 2 1/4" overall. I don't think I can go over half an inch shorter but will look at it
Thanks