Kit provides great road holding

The oil filter element is made from laser cut stainless steel and filters particles down to 35 micron

For stock 4-1/4" stock stroke flywheels and stock 3-1/2" bore

Die-cast aluminum housing

66-84 Shovelhead

STAGE I BIG SUCKER AIR FILTER KIT UNF/UNC skruvar Kit provides great road holdingPlain finish one piece aluminum backing plate Used with OEM air cleaner cover with single central bolt (excl. 08 17 Dyna, see note) Can be used as an exposed filter design when using one of the Ness Stage1 billet covers Increases horsepower & torque Built in patented breathing system features hidden channels to prevent the use of unsightly exposed breather hoses and fittings Radius air inlet for unobstructed airflow Note: 08 17 Dyna will require a