| HP | Year | Powerhead Gasket Kit |
| 40-60 HP 2 Cyl | 1978-2005 | 18-4318 |
| 3 Cyl Small Bore 60 HP 70 HP |
1986-1988 1978-1985 |
JE-625 |
| 3 Cyl Big Bore 60 HP 70 HP |
1989-2001 1986-2001 |
JE-624 |
| V4 Crossflow 88-140 HP |
1978-1998 | 499 |
| V4 60° 75-115 HP |
1995-2006 | 4372 |
| V4 60° Ficht 75/90/115 HP |
1998-2006 | 4373 |
| V4 Small Bore Looper 120-140 HP |
1985-1987 | 4310 |
| V4 Big Bore Looper 120-140 HP |
1988-2001 | JE-620 |
| V6 Crossflow Flatback 150-200 HP |
1978-1991 | 498 |
| V6 Carbureted 60° 135-175 HP |
1991-2006 | 4371 |
| V6 60° Ficht 150-175 HP |
1991-2006 | JE-156 |
| V6 Small Bore Looper 200-250 HP |
1986-1987 | JE-172 |
| V6 Big Bore Looper 200-250 HP |
1988-1992 | JE-622 |
| V6 Big Bore Carb & 3.0L Ficht Looper 200-250 HP *C & H Suffix Only |
1993-2001 | JE-632 |
| V6 3.3L Ficht Looper 200-250 HP |
1986-2005 | 500-146 |
17 of 17 Items
17 of 17 Items