Dont feel like reaidng your rescription but jsut by the title of the post " ticking noice from the engine". That means your valve/valves are worn.
There plenty places you can get them from.
http://www.conceptzperformance.comhttp: ... yparts.com
to name a few that you can get them from.
Here is how you take it apart. Hold the lifter in hand and tap it few times in a open vise and watch for the plunger to pop out, hold your hand under it so it drops in your hand.
Look at the first picture. You jsut keep tapping it on the metal part so the inside can fall intot he gap.