Your search for "1969 firebird vibration dampener brackets" revealed the following:
REAR BUMPER BRACKET, LH, INNER, 69 FB, USED
Regular price $100.00Rear Bumper Bracket, LH, inner, 69 Firebird, used
TA RAM AIR CABLE BRACKET, 69 FB, w/RAM AIR
Regular price $60.00TA Ram Air Cable Brkt,69 Fbw/ram air
KICKDOWN SWITCH BRACKET,w/QUADRAJET, NEW, 67-69 FIREBIRD
Regular price $25.00Kick down or passing gear Switch mounting Bracket, with 4 barrel Quadrajet carb, new repro, bracket mounts on carburetor bolt....
FRONT BUMPER BRACKET, 69 FIREBIRD TRANS AM
Regular price $30.00FRONT BUMPER BRACKET, 69 FIREBIRD TRANS AM
FRONT BUMPER BRACKET, L-SHAPE NEW PAIR 67-69 FIREBIRD
Regular price $160.00Front Bumper Brackets, bumper to frame, L shaped, new pair, repro Fits: 1967 1968 1969 Pontiac Firebird
DASH BEZEL MOUNTING BRACKET, RIGHT SIDE, USED
Regular price $30.00Dash Bezel mounting bracket, passenger side, mounts plastic dash bezel to steel dash, under dash support, used steel OE# 9769...
DAMPENER ,FRONT RIGHT, USED 69 FIREBIRD
Regular price $290.00Harmonic Dampener, or cocktail shaker, front, passenger side, convertible , weight, used, transmission fluid cannister, cancels out vibrations, FITS: 1969 PONTIAC...
DAMPENER ,FRONT LEFT, USED 69 FIREBIRD
Regular price $290.00Harmonic Dampener, or cocktail shaker, front, driver side, convertible , weight, used, transmission fluid cannister, cancels out vibrations, FITS: 1969...
SHIFTER TO FLOOR MOUNTING BRACKET, AUTO, 68-69 FIREBIRD
Regular price $20.00Automatic Floor Shifter Bracket, new, shifter to floor mounting bracket Fits: 1968 1969 Firebird
REAR BUMPER BRACKET, LH, OUTER, 69 FB, USED
Regular price $50.00Rear Bumper Bracket, LH, outer, 69 Firebird, used