Planted Seat Bracket - Pontiac Firebird (1970-1974) - Passenger/Right Vehicle Make_Radical EIS W50 foam is self-extinguishing

EIS W50 foam is self-extinguishing in a fire

Note: Does not fit ZR1 models

sliding/multi‑tether system

Removable OMP cushion provides additional bottom support

single-layer design

Planted Seat Bracket - Pontiac Firebird (1970-1974) - Passenger/Right Vehicle Make_Radical EIS W50 foam is self-extinguishingPlanted Seatbase Adapter Brackets are an easy solution for adapting your aftermarket seat to the floor of your specific vehicle. Planted Seat Brackets are constructed from 3 16" thick steel for superior strength. Able to accept sliders from most major seat manufacturers like Bride, Cobra, OMP, Racetech, Recaro, Sparco, Status and more, allowing for easy installation of aftermarket seats in your vehicle. Extra material is also provided for direct seat