| MAKE | MODEL | YEAR(S) | CYL | DESCRIPTION |
| Alfa Romeo | GTV-6 | 1981-1985 | 6 | All U.S. models with 2.5L or 3.0L |
| Alfa Romeo | GTV-6 | 1986-1988 | 6 | All models |
| Mercedes Benz | 380 Series | 1981-1985 | 8 | All SL and SLC models with 3.8L engine, except California |
| Mercedes Benz | 420 Series | 1986-1991 | 8 | All 420SEL models with 4.2L engine, except California |