Models: 7.4L, 454 (330, 335hp GEN IV), 454 High Output King Cobra (370hp GEN IV, 330hp GEN V), 454 King Cobra (275, 295, 310hp GEN IV, 295, 310 GEN V), Gen IV, 4 piece gasket.
8.2L, 502 King Cobra (375hp Gen IV, 375 hp Gen V), Gene IV with 4 piece oil pan gasket.