cam ideas

Tires are 29 by 18s I believe. They are stored right now the heads are 440 source home ported gasket matched etc. compression ratio close to 9.1 with 38 thickness head gaskets. Now I plan to upgrade the springs retainers and locks as these heads are prob 3-4 years old now. That being said that was when 440 source was having issues with locks and retainers