This is the oiled two-stage air filter foam from Ultimate Racing, specially designed for the Associated RC8B filters. The combination of this oiled two-stage filter foam with the Ultimate Racing filter oil ensures maximum airflow while providing excellent filtration and protection for your engine. Available in economical packs of 6 and 12 units, oiled and packaged in two airtight plastic bags to keep them in perfect condition and ready to use whenever you need them.






























