RZR XP 900 Top End Rebuild Kit – High Compression Pistons + Stock Bore Cylinder

FITS ALL 2011–2014 POLARIS RZR XP 900 & RZR 4 XP 900 MODELS

This race-ready rebuild kit delivers increased compression for max power gains. Designed for experienced tuners and riders running high-octane fuel, this top end kit includes CP or JE forged pistons, MLS gaskets, and heavy-duty valve seals for a tighter, more efficient burn.

✅ What’s Included

• Brand new stock bore cylinder (Nikasil plated)

• High compression forged pistons (CP, JE, or Wiseco)

• Chrome wrist pins, circlips & hi-temp race rings

• Multi-layer Cometic head gasket

• Complete top end gasket kit

• Viton valve stem seals

• Cam chain

• Timing chain tensioner

• Heavy-duty head stud kit

• NGK Iridium spark plugs

• Stickers included

💡 Requires race gas or 100+ octane fuel. Ships 100% new and sealed.

🧩 Fitment – Confirmed Compatibility
✔️ 2011–2014 Polaris RZR XP 900
✔️ 2012–2014 Polaris RZR 4 XP 900
✔️ LE, Walker Evans, Jagged X, Pursuit, and XC Edition compatible
📌 Engine Type: 4-Stroke EFI Twin / DOHC

🛡️ Warranty & Returns

• 1-Year Limited Warranty on pistons, cylinder, and gaskets

• Lifetime warranty on Talon or HD stud kits

• All claims require inspection of returned parts

• Warranty void if tuned or installed incorrectly, or if race fuel isn't used

• 30-Day Returns on new/unused kits only

• 10% restocking fee + return shipping for buyer remorse