BIG SCKR STG-II A/C KIT, STL SMTH BT93-9

These complete high performance air filter kits include a 20% larger filter than Stage I kits, a billet aluminum or stamped steel outer cover and a Big Sucker backing plate. Available with standard red filter element or weatherproof synthetic filter element. Optional pre-filter for the standard red filter, also known as rain sock is available separately.
•Sportster 1988 with stock Keihin CV carburetor or Fuel Injection use Kit "E"
•Evolution Big Twin 1993 thru 1999 with stock Keihin CV carburetor use kit "C"
•Softail 2000 thru 2015 and Dyna 1999 thru 2017 with stock Keihin CV carburetor or cable controlled Fuel Injected use kit "B"
•Touring models with stock Keihin CV carburetor 1999 thru 2007 and Fuel Injected 2002 thru 2007 use kit "B"
•Touring models 1999 thru 2001 with Fuel Injection use kit "D"
•Touring models with Throttle By Wire Fuel Injection 2008 thru 2016 and all Throttle By Wire Fuel Injection Softail and Dyna 2012 thru 2017 use kit "A"