I just flopped quad kings, and I think I managed to get max value.

Full Tilt Poker Game #11823788835: $22 + $1 Heads Up Sit & Go (88664929), Table 1 – 20/40 – No Limit Hold’em – 19:04:18 ET – 2009/04/22
Seat 1: Robert1952 (1,720)
Seat 2: TehJinx (1,280)
TehJinx posts the small blind of 20
Robert1952 posts the big blind of 40
The button is in seat #2
*** HOLE CARDS ***
Dealt to TehJinx
TehJinx raises to 120
Robert1952 calls 80
*** FLOP ***
Robert1952 checks
TehJinx bets 100
Robert1952 has 15 seconds left to act
Robert1952 calls 100
*** TURN ***
Robert1952 checks
TehJinx checks
*** RIVER ***
Robert1952 checks
TehJinx bets 440
Robert1952 calls 440
*** SHOW DOWN ***
TehJinx shows four of a kind, Kings
Robert1952 mucks
TehJinx wins the pot (1,320) with four of a kind, Kings
*** SUMMARY ***
Total pot 1,320 | Rake 0
Board:
Seat 1: Robert1952 (big blind) mucked – three of a kind, Kings
Seat 2: TehJinx (small blind) showed and won (1,320) with four of a kind, Kings