For 1988-93 2.3-3.0L, 4-cyl, 80-130 Hp | 4.3L, V6, 160-165 Hp | 5.7-8.2L, V8, 185-465 Hp Cobra sterndrive engines.
ID: 0.25″ | OD: 0.4375″ | W: 0.0937″

also crosses with:
Sierra: 18-7145-9
GLM: 81080
Mallory: 9-76500