Smaller than stock; replace bulky stock throttle blocks Give the handlebar a cleaner, more streamlined look and allow for more room for mounting handguards, mountain bars, GPS, etc, Stock engine stop switch is relocated to the front of the handlebar, which help to prevent accidental deployment (Polaris models only) Use OEM throttle lever pivot pin safety switch, push button stop switch and existing thumb lever Heated throttle blocks are a great addition to heated grips and help prevent throttle freezing Heated blocks have OEM connectors for plug-and-play installation Simple two-piece bolt-on construction. THROTTLE BLK S/D W/KILL