This is a 2001 800 RMK Polaris snow check special. There is a lot of extras that come with this sled. Extras are SLP twin pipes, SLP high compression cheater heads, performance edition porting, high flow intake kit, flow right intake kit, V- force 2 reeds, Holtz light weight suspension, No-slip track drive sprockets lots of powder coating has been done as well. Track length is 156 inches it was 144 when I purchased it, no extensions all new rails when I changed the length. Sled also comes with a lexan hood. $4000obo if you are serious about this sled email me at drsled24@gmail.com and i can get you my phone number.