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*IMPORTANT NOTICE: Due to increase in fraudulent orders the billing & shipping address must match when placing your order. Thank you for your patience and understanding.
*IMPORTANT NOTICE: Due to increase in fraudulent order the billing & shipping address must match when placing your order. Thank you for your patience and understanding.

RZR RZR-S 800 82mmn Big Bore Kit +2 Cylinder 810cc Top End Rebuild Assembly Kit

by BPRATV
Original price $850.25 - Original price $850.25
Original price
$850.25
$850.25 - $850.25
Current price $850.25

  • The most complete top end rebuild you will find
  • 82mm big bore cylinder
  • Wiseco or Wossner 82mm forged pistons
  • Nitrite coated piston rings
  • Chrome wristpins
  • Circlips
  • TITANIUM cylinder head stud kit
  • Cometic top end gasket kit
  • Big bore MLS head gasket
  • Valve stem seals
  • Uses pump or race gas
  • All big bores run much better with aftermarket EFI
  • Compatible with all Polaris 800cc SXS & ATV models
  • No case or head mods required


We are BPRATV, offering you the best in parts and service for over 20 years. Call, email, or come see us in person at our Upland, CA location.

*Warranty does not cover any failure that is a result of improper installation, tuning, break in, lack of maintenance, or abuse.  For any warranty to be considered the part(s) in question must be sent to us for inspection, NO EXCEPTIONS.  We can not warranty parts based on phone calls, emails, photos, what you read online, or what another mechanic says the problem is alone.

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