Includes special tether so oil drain hose can be pulled out through the boat bilge drain hole to drain engine oil. Boat needs to be removed from the water to take advantage of this feature. Brass fittings.
Fits 1995 and older MCM GM 4 cyl. V-6 & V-8 engines (all except 8.1L) with standard SAE 1/2-20 oil drain plug threads.