These Tillett TBB5T (was TB3) alloy side mount / brackets are 30mm taller than the TBB5 (was TB2) version. They 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. TBB5T brackets are designed to fit directly to a flat floor and can also be used in conjunction with STR1 (was TR1) seat runners. They are also a direct fit to OEM 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: 1.36kgTillett TBB5T Fitting Information