Way too expensive. I have been running LEDs in my 65 for over 1 year now. $39 on EBay. Just use your own housings. Just make sure to get the latest Cree chip. Do a search for H4 LED.
There was another thread about leds a while back also.
'65 Mustang Inline 200. CI Aliminum Head, Holley 350,
Schneider 264/274 cam, Headers, Recurved DSII, MSD 6A, and a whole lotta other stuff!