Arlen Ness Velocity Stack Pre-Filter Kit - Black
- Add that radical look to your engine.
- Both velocity stack and 90 degree brackets feature our patented Big Sucker breather technology.
- Brackets made to work on stock EVO & Twin Cam Engines (1999 - 2005), S&S 107"Â and under engines (head breathing) and S&S 111"- 124" engines (case breathing).
- Chrome 2" Smooth Stack Styling.
- Pre-filters available for extra protection against water and debris.
- Pre-filters do not lower performance of velocity stack kits.
- Matching Chrome accessories are available.
- Fits EVO and Twin Cam motors
- 107" and under S&S motors
- 111"-124" S&S motors