so ive seen pics and heard people talk about how they put new lights behind their guages(red,blue,hyper white ect...) insted of buying the indaglo ones for like 40 bucks...so my queastion is what size are the bulbs needed to do this and is it worth it?

 

size - 194
worth it? depends on what bulbs you use.

 

another question..how many will i need?

 

TO CHANGE YOUR GAUGE LIGHTS:
You will need 4 194 bulbs (whatever color you choose, red, blue, hyperwhite)
Go to craig's site and find instructions on how to remove the gauge cluster, remove the 4 biggest sockets on the back of it (these twist off/on) and replace the bulbs..

If you're interested in LED bulbs (wider variety of colors, less power consumption, longer "life") visit www.superbrightleds.com they have drop in replacements in the size you need..