Oh by the way, the Spread I need on the heatran is actually:
4 HP / 248 Atk / 252 SAtk / 4 SDef
Reason being, it's IVs are:
31/24/30/31/31/3
So if you'd put 252 into that 24 IV it would waste the last 4 EVs, so put them in SDef instead.
THaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaanx