Arlen Ness Monster / Velocity Sucker Replacement Gaskets And Hardware For Harley M8 Replacement Hardware Kits for the Monster & Velocity Air Cleaner Series. Each hardware kits includes genuine Arlen Ness hardware and gaskets for every intake in both performance air cleaners series. Features Replacement Hardware Kit for Monster & Velocity Series Intakes Monster Series includes both standard & billet cover kits Velocity Series includes both Velocity 65 & Velocity 90 kits Each kit includes all necessary gaskets & hardware to bring your air cleaner to like new condition Fits Monster & Velocity Series Intakes only