This engine protector was designed to fit the left hand side (LHS) case cover. Left hand case slider also available here: RG.ECS0035BK Crafted from High Density Nylon for strength durability and good looks. They compliment the R&G crash protectors perfectly. The covers simply bolt on over the original engine casing. Slimline for maximum ground clearance ultra lightweight matte finish and protecting one of the most vulnerable parts of the machine. These could save you hundreds of dollars in the event of an accident …Special Note: The installation of this product requires you to remove a few of the case cover bolts but not all. Be sure when adding this protective cover to your motorcycle to only remove the bolts required to complete the install. Otherwise you may be required to replace engine fluids and gaskets.