SW-Motech Skid Plate Engine Guard for 2018-2023 Royal Enfield Himalayan 411Skid Plate This engine guard made of 4 mm thick sheet aluminum was specially developed for the Royal Enfield Himalayan 2018 2023. It protects the oil filter and other engine parts that make up the crossplane engine. Additional protection against rocks and contact with the ground for the engine: the high quality, aluminium alloy engine guard shows what it's capable of off the street, but provides extra safety and an individualized look on the streets,