Arlen Ness 90 Degree Velocity Stack
- Adds 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" and under engines (head breathing) and S&S 111" - 124" engines (case breathing).
- Chrome 90 Degree Velocity Stack Styling.
- Matching Chrome accessories are available.
- Fits EVO and Twin Cam motors
- 107" and under S&S motors
- 111"-124" S&S motors
- S&S 113" Engines require the S&S 107" and under kits velocity stack kits.