Passenger Seat Height Increase Needed

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Originally Posted by Number 6

Just thinking,
Would two Aluminum/Steel billets of suitable dimensions cut to length and drilled, placed direct to the floor and then bolts thru said billets and seat frame with longer bolts into the original holes.

Would this work??

That's the way I was thinking but am unsure how stable seat would be in event of an accident, I ponder on whether the billet would also need fixing independently to the car floor pan.