New rubber seal wing vent is what you need. St Charles Isuzu shipped them to me, replaced the seals on both of my Troopers.
Spring loaded tensioned stud on the bottom of the frame holds the wing vent in position.


Curt B 89RS Calmini Header Delta Cam 33x10.5 BFG MTs & 90 Trooper 3.4 v6, SAS D44 ARB/Hobart 5.38s 35s my pictures