This is a new 1955 1956 1957 Chevrolet car and 58-67 Impala sedan & station wagon inside LED panel dome light housing, lens and bezel assembly. This unit is fully assembled and ready for a simple 2-wire installation. This is for cars with a center mounted roof dome light. This is NOT correct for a 55 2 door hardtop, 55-57 Nomad and 58-67 Impala 2 & 4 door hardtops. Sku #5336