| ENGINE | YEAR | DESCRIPTION | CASTING # |
Part # |
|
AMC/Jeep 6 Cylinder |
||||
| 232-258 | 64-74 | w/rocker arm shaft | 717,040,886 | 1603 |
| 75-79 | w/bolt on rockers, temp unit under thermostat housing | 490-1, 490-2 | 1608 | |
| 258
(4.2L)
|
75-80 | w/bolt on rockers, temp unit on top rear of head | 3224480, 258 | 1607 |
| 81-85 | w/bolt on rockers, 7/16" head bolts, plastic valve cover | 3000 | 1610 | |
| 86-87 | 1/2" head bolts, 2 center bolt plastic valve cover | 3002 | 1680 | |
| 87-90 | 15 bolt aluminum valve cover, 1/2" head bolts, temp send rear of head | 3661 | 1687 | |
| 4.0L
(242ci)
|
87-90 | 15 bolt valve cover | 2686 | 1686 |
| 91-95 | Rounded corner rectangular exhaust ports, w/temp send hole | 7119, 7120 | 1690 | |
| 96-99 | Uses head to block dowel pins, NO temp send hole, ½” head bolts | 0630 | 1696 | |
| 00-01 | Small exhaust ports, 4 coil pack bolt holes on spark plug side | 0331 | 1692 | |
|
AMC/Jeep 8 Cylinder |
||||
| 304 | 72-78 | w/bolt on rockers | 86 | 1802 |
| 79-81 | w/bolt on rockers | 324, 480 | 1805 | |
| 318 (5.2L) | 93-99 | Chrysler Magnum engine | 466, 671, 714 | 2892 |
| 360
(5.9L)
|
72-78 | w/bolt on rockers, 3/8” exhaust manifold bolts | 475, 502 | 1803 |
| 79-93 | w/bolt on rockers, 3/8” & 5/16” exhaust manifold bolts | 344 | 1806 | |
| 93-01 | Chrysler Magnum engine, vin 5 & Z | 466, 671, 714 | 2892 | |
| 401 | 72-78 | w/bolt on rockers | 475, 502 | 1803 |