What's the difference between these two pumps?

http://www.performance-pcs.com/catal...ducts_id=20655

http://www.performance-pcs.com/catal...ducts_id=25841

Can they both use the XSPC tops?

http://www.performance-pcs.com/catal...ducts_id=23357

http://www.performance-pcs.com/catal...ducts_id=22700

Or is it just one of them that can use 'em?