Right. MLS. Use new head bolts.
4.6L / 281 SOHC V8 24V "8" 90.20mm Bore 06-10
FORD
5.4L / 330 SOHC V8 24V "5,V" 90.20mm Bore 04-14
FORD,
LINCOLN
FO281TB | 4.6L / 281 SOHC V8 24V "8" 90.20mm Bore 06-10
FORD,
MERCURY
FO330TD | 5.4L / 330 SOHC V8 24V "5,V" 90.20mm Bore 04-14
FORD,
LINCOLN