Valve spring removal ???

I use one of these.

http://www.sears.com/shc/s/p_10153_12605_00947704000P?mv=rr

and one of these with a short section of air hose and a quick connect.

[ame="http://www.amazon.com/KD-Tools-901-Hold-Fitting/dp/B000X01RJK"]Amazon.com: KD Tools 901 Air Hold Fitting Set: Automotive[/ame]

Just go slow and be careful so you don't drop anything into the engine.