Same size as a Jeep conversion or go buy a set at the junk yard that aren’t sealed beam. Just order that and get Leds. Then do what dan says for the wiring. A new headlight lens kit runs 60-120 bucks online for h4 I believe. Then do the wiring for Leds. Worth it. I did them on mine already. Two relays and boom. Super bright lights. LEDs parking and halos as well on my 65 Valiant. Cuda grille rocks. Left the factory lowers regular bulbs, wired the cuda grille lights for parking lights and did the switch jumper so they are always on when the headlights are on as well. Maybe 3-5 hour install time as long as you can follow the instructions dan has.
Lenses 85 from the net
Leds online from amazon (xenon brand) 90 bucks
Relays 10 bucks
Wiring roughly 20
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