Stock Mopar head bolts or you all using $$$ARP$$$
Daddy Kool · Premium Member Joined Jan 9, 2008 · 2,975 Posts #2 · Apr 7, 2011 Only show this user I'm using stock at 440 rwhp. I think with your build maybe you should step it up.
GreatAmerican · Premium Member Joined Mar 18, 2009 · 17,241 Posts #3 · Apr 7, 2011 Only show this user I'm using the stock Mopar head bolts and gaskets on both of my Challengers.