rocker arm geometry

It looks like Indy has 5.02 LA length valves and 4.92 Magnum length valves listed in their catalog. If your LA X heads came through with the 4.92 length ( pull one out and measure ) get ahold of Josh at Indy maybe they'll swap 'em for you.
[ame]http://indyheads.com/images/price2012.32.pdf[/ame] The valves are the 5th-11th part# from the top of this list.