Seat

   Just like on my 1995 STS Miata, I used the factory Mazda seat tracks and bolted them to the bottom of a Momo Start seat.  Some modification to the tracks is required to get the bolt spacing correct, but this leaves you with an adjustable seat a bit lower than stock.

The factory seat belts work well.

The seat is a tight fit in the NB chassis and just barely hits the door panel at the shoulder.  Minimal clearance at the bottom front also with 1" clearance at the transmission tunnel and only 1/8" clearance at the door panel pocket.

The OEM seat weighs about 31 pounds including the seat belt receiver and factory sliders.  I will need to ballast the Momo seat to weigh a minimum of 25 lbs including mounting hardware.

99 Miata driver side seat with tracks and seat belt receiver.

No ballast added yet.

Momo Start with 99 tracks and receiver.