The square brick style knightlight is the old school classic

Rubber inserts offer anti-slip and board protection

neutral (green)

Perma-Venting® system minimizes condensation and allows air circulation

arlen ness stage 1 derby sucker air cleaner for harley temp1421 The square brick style knightlightAluminum backing plate Used with OEM air filter cover No cover inluded Takes any 5 hole Twin Cam derby cover as end cover. This 'Derby Sucker' will take any stock or custom Twin Cam 5 hole derby cover as outer cover, giving styling virtually endless options Note: See 959805 for the replacement air filter element. Note: An optional rain sock is not available for Derby Sucker air cleaner kits.