They are designed to work seamlessly with OMP Racing Seats, and will fit many other seats with 11.4 in. (289 mm) side-mounting hole spacing (including many Sparco seats).
Omp Racing Inc Hc0 0923 Seat Bracket Steel 36 Hole
Open Box Sparco 600SB051R Seat Bracket Fixed Mount Steel Front Right For Nissan
Sparco 600SB042R Seat Bracket Fixed Mount Steel Front Right For Honda NEW
Sparco 600W Seat Bracket Competition Side Mount Adjustable Aluminum Black NEW
Sparco 00497RACE Base Side Mount to Slide Seat Bracket NEW
Sparco 600SB049R Seat Bracket Fixed Mount Steel Front Right For Mitsubishi NEW