spark plugs & wires

I have a 1993 Corvet and I can't seem to change the spark plugs & wires on it. Do I have to take anything extra off?

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.