The Maintenance Kit comes with replacement parts that you could break due to exceptional use of the grenade. This kit allows you to service your grenade. Please read the trouble shooting guide before attempting to fix your grenade on your own. Trouble Shooting Guide. This kit does not include AI Grenade oil, which comes packaged in the Tornado box and is available separately.

Includes:
          • O-Ring set: Includes: Two shuttle stem o-rings, Two top cap/valve cover o-rings, Four shuttle repair shrouds.
          • Valve cover: Replacement valve cover for a damaged Tornado valve cover, includes rubber blowout plug.
          • Fill Valve: A Replacement fill valve for your AI Tornado Grenade.
          • Rubber Parts set: Replacement rubber parts for your AI Tornado Grenade. Includes a rubber bumper and blow out plug.
          • Grenade Pin: Spare pin for your AI Tornado Grenade