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.
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.