Additional side attachment fastenings on the tubular for better positioning Includes holes for fifth and sixth seatbelt points Fire retardant fabric with contrasting quilting FIA approved Related posts: Sparco® – R333 Series Street Competition Seat Sparco® – Ergo GRP Series Racing Seat Sparco® – Evo LF Series Fiberglass Racing Seat Sparco® – SPX Special Edition Series Street Racing Seat