These lightweight seat brackets from OMP fit most side-mount racing seats with bolt holes spaced 289mm (11.378) center-to-center. This includes OMP,
OMP Aluminum Side-Mount Seat Brackets, Low (16 Holes), FIA
Over 50 years of providing the world with the best in aftermarket Street Seats, Racing Seats, Off Road Seats, Jeep Seats, Suspension seats, Seat
Plymouth Van (Full Size) 71-80 Seat Brackets
Elite Suspension Seats - Meyers Manx
Weld-On Seat Mounts For Non-Sliding Fixed Position Seats Such As PRP, Beard Or MasterCraft Seats - Kartek Off-Road
Those who have added a proper racing seat to their Corvette often say it's the most important mod they've done to increase their track-day enjoyment.
Ultralow Seat Mount C5-C8
Kirkey Pro Street race car seat mounts for C5, C6 and C7 Corvette
Procar Seat Adapter Brackets Procar custom steel seat adapter brackets are available for hundreds of applications. They're designed for an easy installation and are vehicle-specific to avoid time-consuming modifications. They make it simple to be more comfortable, save money, and have the satisfaction of doing the job yourself. They are compatible with Procar brand seats only. Find the model designed for your car or truck.
Scat 81000 - Universal Seat Adapter
BMW Performance Seats from E90 now fitted to E46 M3
RS Lightweight-inspired Seat Mounts (with a 30mm drop!)
VOLVO 122 121 220 FRONT SEATS MOUNTS FROM STAINLESS STEEL MIRROR FINISH MOUNTING BOLTS HAND MADE. feel free to ask.
VOLVO 121 122 FRONT EYEBOLT SEAT MOUNTS STAINLESS STEEL set