What kind of spark plugs?

[mcnut]

I own a 2005 outback with a 350 vortec Indmar. Every boat shop here has no idea what kind of spark plug cables i need. any ideas???

[Wake Master]

I believe it is a AC Delco 41-932 which is now replaced by a 41-993 but you can check the Indmar web site. You can get them at Rockauto.com

http://www.rockauto.com/catalog/catalog.php