You need to remove the coil pack bracket. To do so you need a deep 15mm socket. You will also need to remove the alternator tensioner. It would probably help to remove the dogbone mounts and get them out of the way but I think you could get it out without doing so. Then all it is is removing the 6 bolts on the valve cover and pull it off.
_________________________
1998 Pontiac Grand Prix GT WizAired CAI, Impala 12" Brake Upgrade, ZZP Alternator Rewire and Voltage Booster, Rotated Dogbone Mounts, Kicker KS690 6x9s, JBL GTO427 4s, JBL P652S 6.5s 2001 Ford F150 XLT SuperCab Stock, LineX, 212K