theres a small company selling brass pads.. i bought a set for my exp. but have yet to use them..i have heard they will last along time and from my experience they should last alot longer than anything else thats out there for pads..check them out at
http://boxbrakes.com

 

I buy all of my parts at a local shop in Toledo.
I just bought a set of pads Sat. for $12.85+tax.
If you shop around you should be able to find them. Seems like I remember seeing them in an ad in Dirt Wheels,not sure.