Sorry but that's silly money for a pair of corroded heads that will need a lot of work to reuse. Not sure if I have a pair but they should be 350% less than that. Now if they were alloy brand name heads that would be different.
These may not be correct for your pickup but at least they look slightly better and the price is nice.
http://www.trademe.co.nz/Browse/List...?id=1100981158