These three bulb inserts enhance the brightness of the tail lamps by 200 percent ensuring everyone around knows when you use a turn signal or step on the brakes. Easy to drop in and install, these taillight inserts are a hassle-free improvement for your 1965-1966 Mustang. Can be used with or without our sequential controllers. C5ZZ-13450-PC high-temperature lens is recommended for use with this three bulb insert.
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