a shock has relatively few critical parameters.
compressed height, total throw when the suspension is fully extended, valving of the body, etc.
their 5759's are useless on the front as t-bar wont accept 3/8's bolt and too small to drill out.
therefore, this isn't really a problem. simply use the 5/16 bolt ( or whatever it takes ) and use washers and bushings as necessary to take up the slop.
the car is actually carried on the springs, so worst case is the bolts break off and then that corner of the car is a bit bouncy.
The way to crush the bourgeoisie is to grind them between the millstones of taxation and inflation.
Government schooling is about "the perfect organization of the hive."
H.H. Goddard, Human Efficiency (1920)