Hey there! If you're fixing up your Polaris snowmobile, you're gonna need this genuine OEM rivet. Part number 7661973, 4.8mm size – it's the real deal straight from Polaris. Fits a ton of models: Indy series like the 800, 850, Adventure, XC, XCR, Patriot Boost, even the Pro RMK and RMK Khaos lines from like 2011 all the way through 2023. Seriously, if you've got an Indy 850 XC 137 from 2020, a Pro RMK 800 155 from 2015, or an RMK Evo 550, this rivet's got you covered. It's that specific little piece that holds things together the right way. Perfect for trail repairs, maintenance, or a full rebuild. Don't mess with cheap imitations – this is the exact part Polaris uses. Keep your sled tight and safe out there on the powder! Order one today and get back to riding. Always double-check your model year, but chances are high this is the rivet you're looking for. Works on Nordic Pro models too. Essential for any Polaris sled owner's toolkit.