I wouldn't buy any parts yet. My timing belt slipped a few months ago, every single valve was bent. I replaced the motor. It was cheaper and easier than replacing the head.

Update. Short version of loooong story. Every valve was bent only 2 could be removed without cutting the ends off. So I went with a new "used" motor for $650 at 116k. Replaced tension and idle pulley and auto tensioner, water pump, and belts also broke the reservoir on the power steering p...

About 3 weeks ago my tension pulley failed on the interstate. Since the belt did not break it continued to turn. Every valve was substantially bent, pistons had nice dents in the top. I'm just replacing the entire engine and will be replacing tension and idle pulleys plus the water pump while it's a...

Thanks guys. I think I am just going to replace the motor. I can get one with around 100K for about $700.

Hey guy's awesome sight I wish I had found sooner. Anyway, the auto tensioner for my timing belt failed at about 70-75 on the interstate last week. I have only dug into it enough to to know that it was the tensioner and not the belt. I'm assuming the valves are bent but have not gotten into head yet...