Upgrade or replace your snowmobile's throttle with this SPI Throttle Lever that includes a built-in heater – a game-changer for cold-weather riding! It's designed specifically for Ski-Doo Summit X 800R E-TEC models from 2015-2016 with XM-146, XM-154, or XM-163 tracks. The integrated heater helps keep your throttle hand warm during those freezing rides, reducing numbness and improving control. Made to meet or exceed OEM standards, it's a direct replacement for your stock lever. Easy to install if you're handy with tools, and it ensures reliable performance in harsh conditions. Whether you're fixing a broken lever or adding comfort for winter adventures, this heated throttle lever is a smart pick for serious snowmobilers. Always double-check your exact model and year before ordering to ensure compatibility. Stay warm and ride on!