360 SB oil slinger wanted.
This may still be a bit on the expensive side if you're trying to keep it down, but it's better than the eBay prices:
http://www.amazon.com/gp/product/B004SRU8OO/?tag=fabo03-20
I will admit: It's outrageous that a $2 stamped piece of steel should cost 13 bucks.
-Kurt