Originally Posted by Andy

if you to remove all 8 spacers (including the rectangular ones at the back of the horse shoe frame) then it would hit the ALK, and simply wont fit.

IF you wanted to take them out, then you'd have to put standard castor blocks back on. Causing another wheel alignment to be done.

or if you are desperate, you could remove that horse shoe brace all together to get it over the pits for half a day, seen it done many times (but i dont recommend driving like that for long)