There are a couple different model steering boxes- Some of them you can unbolt the flange at the top of the box and pull the column out that way. I wouldn't do it if I weren't planning on rebuilding the box or getting rid of it.
'51 Chevy 1/2 ton w/'62 261, HEI, offy, fentons, dual carter/webbers, t-5 & 12 bolt posi
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