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K&N Apollo vent parts kit for use with Orion and Apollo intake systems. The kit provides vent adaptors that can attach smog tubes, crankcase ventilation tubes or other vacuum-related accessories when a 1/4-inch NPT threaded fitting is created in the filter base, valve cover or similar assembly. Designed as a parts kit for integration with compatible K&N systems, it supports common venting needs without altering core intake function.
K&N Apollo Universal Parts Kit
