C-Clamp will work on the front. There are two pistons so you can push each in separately or take a break pad, lay it across the two pistons and then press the C-clamp onto it.

But, as previously mentioned, the backs are different and C-Clamp will not work. You can buy a 'cube' from Sears or some auto parts stores - its a metal cube with different sized protrusions or prongs on each of the faces, one of them should fit the rear caliper pistons. My experience however was not good. Some guys have reported using them successfully but IMO they are a piece of junk. Thats why I go with the full kit, I bought one from Harbor Freight since this is something I do every couple weeks (Track Days). Here is a link so you can see what it looks like:

http://www.harborfreight.com/cpi/cta...emnumber=40732

 

Sorry if I gave bad info about factory pads being ceramic. I was told this info by my dealer. I guess they can be wrong too. Again, sorry.