I've got a couple options for rock lights..
Did you mount the lights to the frame? What brand are they?
TIA
I think they are great and I even wired them to come on when I open the door- very nice for trying to climb in and out on unknown terrain, and for avoiding stepping In a big puddle.
Wonder if Rigid makes any lights that would fit in the fender wells. The D2's would be a tight fit and would probably rub against the tires when flexing. The light fixture might not break but the mounting bracket would probably bend IMO.
Rigid makes specific rock lights that are pretty small and would work in a fender well. However like it was mentioned the Rigids come with a premium price tag at $350 for the kit
The Wally-light aren't durable at all. I've replaced mine multiple times. Every time you hit water the lights shatter. They are also easily damaged by rocks thrown from the tires. Over a year ago I started replacing my broken Wally-Lights with the Cree 10W LEDs. They are small, put out a ton of light, are water proof, don't shatter and cost $40 ea. I've replaced my Wally-lights 3-4 times but I haven't had to replace any of the Cree lights.
http://www.oznium.com/10w-stackable-cree-led