I'd try non-LEDs, but based on what I've seen on Mud, I'm not going to get much brighter without LEDs.
Here are a couple options I found on super bright that I figured I would try:
LED replacement bulbs can fit numerous vehicle applications such as vanity lights, map lights, footwell lights, dashboard lights, instrument cluster lights and gauge lights. This BA9s single-contact LED bulb replaces a variety of traditional bulbs including 1445 and 17053 bulbs. It has 1 LED...
www.superbrightleds.com
This LED replacement bulb works in many vehicles including antique, vintage, and classic cars and is perfect for vanity lights, map lights, footwell lights, dashboard lights, instrument cluster lights and gauge lights. The BA9s single-contact LED bulb replaces a variety of traditional bulbs...
www.superbrightleds.com
Forget super bright
They sell China bulbs and at a premium too
You need a unique low profile led bayonet twist lock type
I source ALL my led bulbs from South Korea
There the global leader on 6, 12 , and 24 volts dc led bulbs
PM me please
Give me a count and color choices too
I personally go blue or violet now for main cluster body and. Color if needed task by lens color dictates
Red lens red led This gives you max lumens output and NO white hot spots
Super bright came to my home town like
6 years ago with a traveling seminar on Saturdays
I took
The class it was free to anybody in the auto buisness
It was eye opening and taught me
All the nuts and bolts foundations of function and form
When designing and specs regarding Vehical
And marine led interior and
Exterior illumination products and retrofit old ones like
Out topic here at hand
I will suggest you preform
A light shades modification on your cluster prior to
Led bulbs install
This allows you to use the max lumuens ones
It’s like having a PHISH fall tour concert in your day every night !
Let me know how I can further help
Matt