Maybe you could use a combination of the shorter springs in conjunction with the hairpin type springs.Just spread the ends of the 3" hairpin spring and put the 3" coil spring between the ends.That way,you get the added firmness without the extra height of the longer springs...:D ....( Will this work ? I ain't got the slightest freakin idea.But when processing the problem,this is the possible solution that what passes for my brain kicked out ) :lol .....................:smokin
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