I have 5 brand new remo timpani heads that I no longer need, 3 heads are still in the box. I'm selling them for $150.
http://s778.photobucket.com/albums/yy65/beatjunkie314/
TI-2500-00 25" Timpani, Hazy, 25" Diameter
TI-2800-00 28" Timpani, Hazy, 28" Diameter
TI-3100-00 31" Timpani, Hazy, 31" Diameter
TI-3200-00 32" Timpani, Hazy, 32" Diameter
TI-3400-00 34" Timpani, Hazy, 34" Diameter