Roller Rockers

mine's a 340 .20 over,factory steel crank, eagle rods,ross 10.5/1,eddy heads w/ k-motion valve springs,herbert solid roller 604/603--262/268 @ .50,m1 intake,holley 780 dp,,,,,,727 w/ 4500 dynamic, and 4.89s on spool in 60 runs great on high octane w/ 36 degrees total timing @ 3000 rpm