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820-50578 allows use of any 5" round AC outer cover with center bolt (must use with 820-505074 or 820-50575) as well as 90 degree air cleaners
Position Notes 2005-2008 Kawasaki VN 1600 G Vulcan Nomad - - 2005-2008 Kawasaki VN1600D Vulcan 1600 Nomad - - 2003-2008 Kawasaki VN1600A Vulcan 1600 Classic - - 2003-2008 Kawasaki VN 1600 E Vulcan Classic -
helping maintain a balanced temperature inside the helmet
3 kg) over the standard stock system
Position Notes 2025 Honda CRF250RWE - - 2022-2024 Honda CRF450R-S - - 2021-2025 Honda CRF450RL - - 2019-2025 Honda CRF450RWE - - 2019-2025 Honda CRF250RX - - 2019-2020 Honda CRF450L - - 2017-2025 Honda CRF450RX - - 2009 TM SMR125 - - 2009 TM SMR 450 Supermoto F - - 2008-2011 TM MX144 - - 2008-2011 TM EN144 - - 2008-2009 TM SMX 660 Supermoto F - - 2008-2009 TM SMR 530 Supermoto F - - 2008 TM SMM 450 Supermoto F - - 2006-2007 TM SMX 660 Supermoto - - 2005-2025 Honda CRF450X - - 2005-2011 TM EN300 - - 2005-2011 TM EN530F - - 2005-2011 TM MX530F - - 2005-2008 TM SMX 125 Supermoto - - 2005-2007 TM SMX 450 Supermoto F - - 2005 TM SMX 660 Supermoto S - - 2004-2017 Honda CRF250X - - 2004-2011 TM EN250 - - 2004-2011 TM EN450F - - 2004-2011 TM EN250F - - 2004-2011 TM MX450F - - 2004-2011 TM EN125 - - 2004-2009
Big Sucker™ Stage 1 Air Cleaner Kit with Cover Brake Pads 820-50578 allows use of anyBig Sucker Stage 1 Air Cleaner Kit with Cover Smooth Wrinkle Black All new next generation backing plate design Increases horsepower and torque Aluminum backing plate that features zero flat surfaces, every angle of the intake is designed to promote airflow One piece aluminum top filter place with integrated air venturi to direct airflow into the throttle body High performance filters are made from black pre oiled cotton for the best in airflow and
