They were used with Corbeau GTS II seats, is just 4 bolts underneath that attach to the seats internal frame.
Gotcha, thanks. I am guessing this was bolted into the driver side even though it is the passenger side mount? (I am assuming passenger side since it is a non-electric adjusted seat bracket)
1998 GTP sedan: sold, 1999 GTP coupe #1: sold, 1999 GTP coupe #2 on E85: totalled
2002 GTP sedan: 3" downpipe|PLOG|poly mts|160 T*|60# Injectors|ZZP Intake|1.8 YT RRs|Ported Gen3|Ported ZZP S2 TB|E85|FP rewire|ZZP FSIC|WP UD Pulley|2.8 MPS|HP-Tuners