These Associated factory replacement air filter elements are made for the RC8B3 platform and help maintain clean airflow to the engine for consistent nitro performance. Keeping a fresh filter element in place protects the engine from dirt and debris ingestion, which is especially important in off-road racing conditions. This pack includes 6 pieces, so you have plenty of spares on hand for back-to-back race days or extended running sessions. Features: Sold as a set of 6 elements Designed for the Associated RC8B3 platform Nitro engine air filtration replacement 7/7/26 cs