are they IVA friendly? - No headrests
I ended up modyfying my MX5 runners to fit my new seats. Welded the runners to a 40x5 flat bar, which was drilled and bolted to the seat, then welded a 25x25x2.5 RHS crossbar to the runners, one at the front, and one at the back. Spent hours getting my rails in line on the chassis (also 25x25x2.5) then bolted through and through with a M12x75 bolt, with nylocks on the underside of the car.
My passenger seat was easier, because I don't want it to move, so I made a 40x5 flat bar square frame drilled and bolted to the bottom of the seat, then welded some 50x25x3 RHS at the front and back to give the same height as the drivers seat. Set my rails again then drilled through. Both my seats can be removed easily as the nuts are on the underside of the car. Although the only downside is my rails for my seats don't mirror on the chassis.
I'm 6ft tall with long legs, my missis is 5ft 3 with short legs, so for me the seat needs to be fully back, for her, it needs to be fully forward.
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