Your search for "1969 firebird vibration dampener brackets" revealed the following:
WHEEL WELL TO COWL SEAL BRACKET ,LEFT 67-69 FIREBIRD
Regular price $25.00Front wheel well to firewall seal support bracket, mount at bottom of firewall, bracket support seal at rear of wheel...
FRONT SWAY BAR BRACKETS, 67-9 CAMARO Z28 FIREBIRD
Regular price $59.00POWER WINDOW REGULATOR, 67-71 THUNDERBIRD MARK3FRONT SWAY BAR BRACKETS, 67-9 CAMARO Z28 FIREBIRD
FRONT BUMPER LOWER BRACKET ,RIGHT, NEW, 69 FIREBIRD
Regular price $65.00Front Bumper & headlight lower reinforcement Bracket, passenger side, new repro, FITS: 1969 Firebird
LEAF SPRING FRONT BRACKET, RIGHT 67-9 CAMARO FIREBIRD
Regular price $40.00Leaf Spring front Bracket, passenger side, , new repro mounts spring to body Fits: 1967 1968 1969 Camaro Firebird
KICKDOWN SWITCH BRACKET ,OHC6, 1BBL 67-69 FIREBIRD
Regular price $50.00Kick down Switch Bracket ,for overhead cam 6 cylinder 1 barrel carb, used 9789008 Fits: 1967 1968 1969 Firebird...
IDLE STOP SOLENOID BRACKET ,OHC6 1V MT 68 69 FIREBIRD TEMPEST
Regular price $35.00Anti diesel solenoid mounting bracket ,for OHC6 1 barrel carb, used, mounts on carb, used on cars with manual transission, used OE#...
REAR SEAT FLOOR BRACE ,RIGHT 67-69 CAMARO FIREBIRD
Regular price $40.00Rear floor reinforcement bracket, passenger side, welds on floor under rear Seat riser , steel repro, welds from rocker to tunnel...
HOOD LATCH SUPPORT ANGLE BRACE ,USED, 67-69 FIREBIRD
Regular price $30.00Hood Latch angled support Bracket, used OE# 9794962 Fits: 1967 1968 1969 Pontiac Firebird
FRONT BUMPER BRACKET, LEFT, TRIANGLE, USED, 69 FIREBIRD
Regular price $35.00Front Bumper Bracket, driver side, triangluar shaped, used, mounts on bumper OE# 9795914 FITS: 1969 Firebird
TRUNK PAN SUPPORT BRACE, RIGHT NEW 69 CAMARO FIREBIRD
Regular price $45.00Trunk floor Pan and gas tank support brace, passenger side, each, new, welds to floor, Fits: 1969 Firebird Camaro