Seat Base Mounts
Bottom mounting a seat can allow the driver to sit lower, which can be advantageous if you’re worried about your head being too high in the vehicle. Use these seat base adapters to easily mount your race seat to your factory floor plan withour modifications. There is not a better time saver than using a properly designed seat base mount adapter.
Miata NA Chassis use part number SB109DR
Porsche 996/Boxster/997/Cayman/991 (1998+) - Driver Side
Use part # SB140PA