Aces raise; kings, queens, and the nut-suited hands call and let position finish the argument.
4-bet almost nothing but aces. Even KK often prefers a call — building a 1000bb pot preflop with one pair is a strategy of despair.
The small blind 3-bets your cutoff open — a range built to play fast, because playing slow out of position deep is misery.
Assumes a standard 3-bet; 4-bet to ~2.2–2.5x the 3-bet. Deep, favor calls over 4-bets — a 4-bet pot at 500bb+ commits you with range disadvantage.