Just checked the rulebook and Andy and 87Boss are right, it is within 6" although it fits quite nicely a little closer (mine is just under 4" away). I've got the lakewood and I was surprised at how well it fit the contour of the floorboard.
If anyone needs one, get the Lakewood one that's mustang specific, don't fight with a universal piece. The Corral has a decent how-to article as well.
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393W: AFR 205's, hydraulic roller, TKO600.
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