RZR XP 900 Big Bore Top End Kit – 96mm +3 Cylinder 935cc Complete Assembly

Fits All Polaris RZR XP 900 Models – 2011–2014
This complete top end rebuild kit bumps your XP900 to 935cc with a 96mm +3 big bore setup. Built with premium forged internals and all the seals, gaskets, and hardware needed for a clean, powerful install. Perfect for racers, duners, and performance trail riders.

✅ What’s Included

• 96mm +3 Big Bore Cylinder

• 935cc Displacement

• CP, Wossner, or Wiseco Forged Pistons

• Hi-Temp Piston Rings

• Chrome Wristpins & Circlips

• Talon Titanium Head Stud Kit

• Cometic MLS Big Bore Head Gasket

• Complete Top End Gasket Kit

• Valve Stem Seals

• Manual Cam Chain Tensioner

• NGK Iridium Spark Plugs

• All Parts Brand New and in Original Packaging

💡 Runs on pump or race gas. Dyno-tested piston and gasket combo for reliable compression and long life.

🔧 Performance Highlights

• 935cc Big Bore Setup – More power, more torque

• Forged Pistons – Ready for boost, race gas, or high-load riding

• Titanium Studs – Lifetime warranty for head gasket sealing

• MLS Gaskets – Perfect seal under high pressure

🧩 Fitment – Confirmed Compatibility

✔️ Fits all Polaris RZR XP 900 models including:

• XP 900, XP 900 EFI

• XP 900 Jagged X Edition

• XP 900 Walker Evans Edition

• XP 4 900, RZR 4 XP 900
  📅 Years: 2011, 2012, 2013, 2014
  ❌ Does NOT fit RZR 800 or XP1000

🛡️ Warranty & Returns

• 1-Year Limited Warranty on major components

• Titanium Stud Kit – Lifetime Replacement Warranty

• Must be professionally installed to qualify for warranty

• All failed parts must be returned for inspection — no exceptions

• Warranty is void if failure is caused by poor install, bad tuning, improper break-in, or neglect

• 30-Day Returns on brand-new, unused kits

• Returns due to buyer remorse are subject to 10% restocking fee + shipping deduction