1970-81 Firebird Headlight Switch Mounting Nut G-6535 Video showing bulb comparisons at

Video showing bulb comparisons at the link below:

Features a built-in amplifier (22 watts RMS/45 peak x 4 channels) and also has 2-channel preamp output

Will fit all 1982-90 Firebirds with no modifications to the buckets or wiring

but other than that they install like the originals

1970-81 Firebird Headlight Switch Mounting Nut G-6535 Video showing bulb comparisons atReproduction of the original 1970 81 Firebird headlight switch mounting nut used to retain the headlamp switch to the instrument panel. Manufactured to factory specifications and function. Will not fit Camaros. Product includes: Headlight switch mounting knob 482475