Sparco Seat Bases mount to the factory seat mount holes in your vehicle's floor and provide a flat surface for mounting your SPARCO seat. In order to properly install a seat in your vehicle, you will need one (1) of each of the following, per seat: Seat Base (either �400� or �500� series) Seat Base (either �400� or �500� series) Hardware Kit (50001) Track Set (00493) Manufacturer: SPARCO Part Number:spa600SB001L The Track Set allows for forward and backward adjustment of the seat.
