Control Arm Bushing Kit: 1980-81 Camaro Firebird TA (8) FRONT- USA PolyurethaneComplete bushing set. This is factory specific for 1980 81 Choose from black or red bushing. Because polyurethane is unaffected by oil, smog, road salt, and most chemicals, it doesn't soften, compress, or distort like rubber does. So when you turn the steering wheel, take a high speed corner, or hit some potholes, these bushings will give you the ride of your life. 1980 81 Camaro Firebird) models has lower bushes that are 45mm od and 37. 5 od.