Your search for "1969 firebird vibration dampener brackets" revealed the following:
REAR ARM REST PANEL ,COUP LEFT USED 67-69 CAM FB
Regular price $65.00Rear seat Arm Rest PANEL, Coup, Driver Side, 68 69 Firebird Camaro, Hardtops, or With folddown seat, steel, used ,...
QUARTER PANEL, LH, 69 FIREBIRD, COUP, FACTORY TYPE, NEW
Regular price $350.00QUARTER PANEL LH 69 FIREBIRD COUP FACTORY TYPE, NEW
WINDSHIELD MOLDING, UPPER, HDT, 67-9 F-BODY, COUPE, REPRO
Regular price $55.00Windshld Mldg,upper,HDT,67-9 F(coupe, repro),
HEADLIGHT CUSHION RIGHT, USED, RUBBER, 69 FIREBIRD
Regular price $50.00Head lamp Cushion,RH,69 Fb,usedrubber around headlites
REAR MARKER LIGHT BEZEL, 69 FB, EA, USED
Regular price $60.00Rear Marker Lite Bezel, used, each, 69 Firebird
FRONT DOOR PANEL, GREEN, LH, 69 FIREBIRD, USED
Regular price $85.00FRONT DOOR PANEL GREEN LH 69 FIREBIRD USED
HOOD EMBLEMS, 428, PAIR, NEW
Regular price $45.00Hood Emblems,428, repro, pair, 67-9Fb67-69 Firebird
COWL PANEL, 67-9 F-BODY, USED, FRONT OF WINDSHIELD TO FIREWALL, STEEL
Regular price $175.00Cowl panel ,67-9 F,usedfrnt of wdsld to firwall,steel
SUNVISOR, HDT, RIBBED, 69 F-BODY, BLACK, EACH USED
Regular price $40.00Sun visor, coup, used, Black, bedford or ribbed pattern, 69 Camaro, Firebird, each,used