Hiflofiltro Air Filter - HFA1921 - Honda GL1800 - 2001-2017 spark plug 1-1/8” (28mm)

1-1/8” (28mm)

This engine case slider for the  BMW S1000R/ Sport/  M Sport '21- '24

Outer Diameter 7/8 Inner Diameter 5/8

Standard: ECE 22

and the highest level of aerodynamic stability at high speed compared to any other race helmet we have tested in the wind gallery

Hiflofiltro Air Filter - HFA1921 - Honda GL1800 - 2001-2017 spark plug 1-1/8” (28mm)Hiflofiltro OEM replacement air filter for the Honda GL1800 Gold Wing models from 2001 to 2017. Manufactured to fit the factory air box and are a direct replacement for original equipment filters. Top quality power flow filtering media, developed to meet the demands of high performance engines. Features: Manufactured from world class materials to achieve optimum performance and engine protection Precision engineered to perfectly fit the factory