Manufactured with the worlds highest quality materials. Over 95 years of experience. Test results prove 28% longer service life than OE and leading competitor brands. Lower cost with higher quality when compared to OE filter. This item fits H-D the following vehicle applications: fits Beta™ EVO 250 (4 Stroke) 2010-2014 fits Beta™ EVO 300 (2 Stroke) 2010-2011 fits Beta™ EVO 300 (4 Stroke) 2012-2014 fits KAW KX250 2019 fits KAW KX250F 2004-2018 fits KAW KX450 2019 fits KAW KX450F 2016-2018 fits SUZ RM-Z250 2004-2019 fits SUZ RM-Z450 2005-2019 fits SUZ RMX450Z 2017-2019 fits SUZ RMX450Z 2010