K&N Engineering knn85-1662

This K&N marine‑style vent hose adapter mounts between the top and bottom plates of a custom air filter assembly and provides a 5/8 in flange with 6 in height to accommodate breather hoses without drilling the filter base. The vent kit is intended to preserve filter integrity while allowing crankcase ventilation connections and is available in sizes up to 6 in for custom filter setups.

K&N Marine Air Filter Vent Kit 5/8in Flange 6in Height