nitrous pressure guage prob.
BTW, I believe they cost about 40 bucks....that is one horsepower. <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />
Good Luck!
the fluid is Glycerine <sp?> you can get it at any drug store or WalMart.. it's used for dry skin...
if you're gonna trash the gauge can i have the little rubber plug? got my old gauge that i wanted to put in the car but noone has a plug to fit... :dunno:

