The RSI Billet Aluminum Momentary Engine Kill Switch is a direct plug-and-play upgrade for 2019-current Polaris RMK 600, 650, 850, 9R, and Boost models, as well as 2015-current AXYS and 2013-2017 Pro-Ride sleds. Precision CNC machined from billet aluminum with a durable black anodized finish, this spring-loaded momentary switch requires a simple push-and-hold to shut off the engine, preventing accidental shutdown while riding. Complete with an OEM Polaris connector, installation is quick, clean, and requires no wiring modifications. Proudly made in the USA.