These rockers have about 250miles on them. They are for LSX based engines and all but two have been machined for larger diameter springs.(see pics)
Here's a link to jesels site:
http://jesel.com/index.php?categoryid=24
and here's a link to jegs:
http://www.jegs.com/i/Jesel/549/KSS-...oductId=753433
$600 shipped