These Tillett TBB5 (was TB2) alloy side mount / brackets are 5mm thick and suit the Tillett B5 car seats in race and track applications. These allow the seats to be tipped, raised and lowered. TBB5 brackets can be used with STRi (was TR1) seat adjustment runners and are also a direct fit to OEM runners on the Mazda MX-5 (NA and NB). However, it is not recommended to use adjustment runners on a race or track day car, as they are only intended for road use.Multiple base position holes give a wide range of floor adjustment and fitting optionsSuitable for Tillett B5 car seatsMounting points face inwards under the seat for a minimal footprint, ideal for narrow cockpit carsDirect fit to OEM runner on Mazda MX-5 (NA and NB)Weight: 1.1kgTillett TBB5 Fitting Information