calling preflop 4bets

[cmyr]

so i'm pretty sure he's got AA and he's stacking off if I hit. Given that i'm putting in half my stack PF, and can play well on the flop, is this an easy call?

Pot Limit Omaha Ring game
Blinds: $5/$10
6 players
Converter

Stack sizes:
UTG: $1734.47
UTG+1: $3935.48
CO: $2220.25
Button: $910.00
SB: $1119.50
Hero: $1052.00

Pre-flop: (6 players) Hero is BB with 7[img]/images/graemlins/heart.gif[/img] 8[img]/images/graemlins/diamond.gif[/img] 7[img]/images/graemlins/diamond.gif[/img] 8[img]/images/graemlins/spade.gif[/img]
2 folds, <font color="#cc0000">CO raises to $35</font>, Button folds, SB calls, <font color="#cc0000">Hero raises to $130</font>, <font color="#cc0000">CO raises to $455</font>, SB folds, Hero ???