RZR XP 900 Big Bore Top End Kit – 98mm +5 Cylinder 975cc Complete Assembly

Fits All Polaris RZR XP 900 Models – 2011–2014
Step up to 975cc with this 98mm +5 Big Bore Top End Kit. This complete rebuild kit includes everything needed to increase displacement, restore compression, and upgrade durability — all using premium parts trusted by builders and racers.

✅ What’s Included

• 98mm +5 Big Bore Cylinder

• CP, Wossner, or Wiseco Forged Pistons

• High-Temp Piston Rings

• Chrome Wrist Pins & Circlips

• Talon Titanium Head Stud Kit (Lifetime Warranty)

• Manual Cam Chain Tensioner

• Cometic MLS Big Bore Head Gasket

• Complete Gasket & Seal Kit

• NGK Iridium Spark Plugs

• All Parts Are Brand New and Sealed

💡 This is a complete top end performance upgrade. Requires professional install and proper tuning.

🔧 Why Riders Choose This Kit

• 98mm Big Bore = 975cc – Huge boost in power & torque

• Forged Pistons – Built for abuse, pump or race gas compatible

• Titanium Studs – Keeps head sealing tight under boost or compression

• MLS Gaskets – Multi-layer steel for max sealing reliability

🧩 Fitment – Confirmed Compatibility

✔️ Fits all Polaris RZR XP 900 / XP 4 900 / RZR 900 models
📅 Years: 2011–2014
Confirmed models include: Jagged X Edition, Walker Evans Edition, LE EPS, XP 900 EFI
❌ Does NOT fit RZR 800, XP 1000, or later Pro XP models

🛡️ Warranty & Returns

• 1-Year Limited Warranty on major components

• Titanium Head Stud Kit – Lifetime Replacement Warranty

• Professional installation required for warranty

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

• Warranty is void due to poor install, bad tuning, or misuse

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

• Returns due to buyer remorse may incur a 10% restocking fee + shipping deduction