Sparco Seat Bases mount to the factory seat mount holes in your vehicle's floor and provide a flat surface for mounting your SPARCO and other brands of seats. Optional equipment needed depending on application isone (1) of each of the following, per seat:

-Seat Base (either ‘400’ or ‘500’ series)
-Hardware Kit (50001)
-Track Set (00493)

*The Track Set allows for forward and backward adjustment of the seat