1950 Chevrolet Suburban seat riser.
1954 Chevrolet Panel seat riser from passenger side with seat flipped up.
Navy issue Suburban with Full Length "panel truck" Seat Riser. I think it was 1950 Suburban.
The "panel truck" riser was probably a special order to be put in this Suburban for the Navy.
I noticed on the "panel truck" seat riser, the longer hole is used under the passenger seat.
And on the Suburban seat riser, the longer hole is used under the drivers seat.
Note: AD Suburbans seat risers had room for only one hole, because the seat riser was stopped
short to make room for the folding forward jump seat. So passengers could gain access to the rear seats.
Tim,
Are you saying AD Suburbans were not issued a cover under the seat? But the hole was there?