Polaris Patriot Hsk921R big bore pre-built engine

kr 39.900

We now offer a fully built Patriot Hsk921R big bore engine where we take your stock 850 in exchange.We have been working on this project for 3 years and have come to the conclusion that we can only deliver a fully built engine so that the customer gets a real big bore power

  • Up to 15% peak power (more than 850)
  • Billet top with interchangeable domes
  • Full race portet block
  • lake race portet cylinder
  • 2019 Modified to 2020 Lubrication of middle crank bearing
  • modified exhaust valves
  • Rebuilt oem pipe
  • 98 octane or race fuel

Recommended accessories

  • High flow 921 y-pipe
  • Trail 921 end damper
  • Own torque-link box
  • Torque link flat 921 big bore
  • Hsk 921 5.0 variator kit

When ordering, we need 1 850 engine with exhaust valves, oem pipe (swan), ecu for reflash. You get a new replacement engine with all updates so it is relatively short delivery time

NB: Alle big bore trim selges uten noen Garanti