The DROWSports Case Saver is an insert for your 2014-2020 Grom or 2019-2021 Monkey that is designed to help prevent cracks in your case when under high amounts of pressure. This item is a 4-piece kit, that is essentially structural support for the inside of the case. The case saver is perfect for those of you that are pumping out higher numbers for CC’s, or if you have big bore kits and it could be the reason you don’t have to rebuild your engine. Made out of billet aluminum and made right here in Long Beach, CA you can’t go wrong with having a lifeline for your engine’s case.