408 Scat Stroker Kits

I broke an Eagle cast crank few years back.
Had a cast crank 416 shortblock with moderately prepped eddies on it. Ran 10.70’s in a 3350 pound car
In the offseason i upgraded the motor a bit
Ran 10.30’s at same weight. Lasted till August of that season. Crank broke, broke block.