Hi Brian,
Did you try NPD. If all you need is the two plugs, then this kit may be overkill.
PLUG AND GROMMET KIT, (44), repro, contents:377901 seat access hole and top of cowl under fender (10), 376966 front fender apron, trans crossmember (10), 377977 frame rail at sway bar (2), 378923 rear shock access hole (2), 378770 inner frame rails at transmission (2), 377949 trunk floor pan plug above frame rail, side of cowl at door hinge, LH apron behind shock tower (5), 377678 heater hose firewall for A/C cars (2), 377936 inner frame rails at radiator and center of firewall (5), 377356 rear spring front bolt access hole (2), 383181 top of cowl under fender (2), 011202 quarter panel drain (2)
NPD Part Number : 011136-5K
Manufacturer Reference #'s: 376970,