Most aftermarket racing seats are universal in application. They can fit into an array of vehicles, but the only thing that might trouble your DIY job is the racing seat bracket that bolts on to the racing seat. This racing seat bracket would guarantee the fitment, so that any universal racing seat can surely be bolted on to the car that the bracket is made for.
Material: Tensile Stainless Steel
Surface Finish: Brushed Silvery
High Quality Light-Weight Tensile Stainless Steel Made For Extreme Strength
Blanks and is Available to be Drilled to Fit; No Slider Required
Fits with All 4-Point, 5-Point, or 6-Point After Market Seat Belts
Direct Fitment For Most After Market Racing Seat
For 1999-2005 Mazda Miata
Installation: Minor Drilling, Modification and Reuse of OE Hardware Maybe Required.
2 x Seat Brackets (Driver and Passenger Sides) as Shown in the Picture Above
The product does not come with manual/instruction, Professional Install Recommended