Steel plugs.
5.4L / 330 SOHC V8 16V "L,M,Z" 90.20mm Bore 97-16
FORD
5.4L / 330 SOHC V8 24V "5,V" 90.20mm Bore 04-14
FORD,
LINCOLN
FO330TB | 5.4L / 330 SOHC V8 16V "L,M,Z" 90.20mm Bore 97-16
FORD,
LINCOLN
FO330TD | 5.4L / 330 SOHC V8 24V "5,V" 90.20mm Bore 04-14
FORD,
LINCOLN
FO330TE | 5.4L / 330 SOHC V8 16V "3" S/C 90.20mm Bore 99-04
FORD
