Sparks Racing 1065cc Big Bore Kit 9.0:1 Turbo Polaris RZR XP 4 1000


Sparks Racing has been at the forefront of the ATV performance market for over 30 years, winning countless championships in all types of ATV racing. Sparks Racing founder, Curtis Sparks, built their reputation from years of racing, hard work, and dedication. Their company was started in a small shop in Lamont, CA and has grown into a world renowned manufacturer of ATV & UTV performance products. All of the people at Sparks Racing have been involved in racing or motorsports competition in one way or another, so they all share the same need for speed their customers have! Sparks Racing joined the UTV market in 2012 and is dedicated to producing quality and high performance parts for their customers.

The Sparks Racing 1,065cc Big Block Cylinder Kit is a perfect big bore kit for any RZR 1000 XP owner who wants to drastically increase performance without sacrificing reliability. This kit is a “bolt-on” kit, so there’s no bottom-end modifications required and this kit is designed to use the stock connecting rods. The stock cylinders are designed to only be installed with the engine completely disassembled. The Sparks Racing Big Block cylinder was specifically designed to be installed without taking the engine completely apart, so the installation can be done without removing the engine from the car.
View Installation Instructions Features:

  • Compression Ratio: Turbo 9.0:1
  • Industry leading one-piece cast cylinder with closed deck design
  • Closed-deck design offers increased cylinder rigidity and gasket sealing capability as compared to an open-deck design
  • Nikisil plated cylinder which offers light-weight extreme durability and performance
  • Enlarged water jackets for increased heat dissipation and cooling
  • Custom designed head gasket to insure gasket integrity
  • Custom CP pistons manufactured specifically for Sparks Racing
  • Includes Sparks Racing 1,065cc Big Block cylinder
  • Includes A set of CP/Sparks Racing Piston kits
  • Includes Head & base gasket


  • Polaris RZR XP 4 1000 14-17


  • This kit requires the vehicle to have a turbo
  • Pictures used for marketing purposes only, actual product may vary
Proposition 65

/! warningWARNING: Cancer and Reproductive Harm


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