DERBY SUCKER FI FLT 99-01
- Unique air filter kits feature a 5-hole mounting system which allows Twin Cam derby covers (not included) to be bolted on as the outer cover
- Pre-oiled filters available in two styles: standard or stainless-steel jacketed
- All kits include patented Ness hidden breather Big Sucker backing plates in either chrome or powder-coated black wrinkle finish
- C.A.R.B. compliant ref. E.O. #D-639-2 approved for many 97-09 EFI applications.