RZR XP Turbo S / Turbo R Big Bore Engine Kit – 98mm Pistons + Crank + Top/Bottom End (Complete)

Fits ALL Polaris RZR XP Turbo S & Turbo R (2-seat & 4-seat) Models
This all-in-one big bore engine rebuild kit delivers major performance gains and rock-solid durability. Includes forged internals, +5mm cylinder, complete gasket and seal sets, and a full bottom end refresh. Ideal for serious riders running boost or race gas.

✅ What’s Included

• Big Bore 98mm Cylinder (+5mm)

• Wiseco or JE Forged Pistons

• High-temp rings, wrist pins, circlips

• Hotrods crankshaft & heavy-duty rods

• Full crank bearing and seal kit

• Cometic top end gasket kit

• MLS multi-layer steel head gasket

• Water pump shaft & bearing

• Oil pump (OEM or aftermarket)

• Timing chain, cam chain tensioner

• NGK Iridium spark plugs

• Valve stem seals

• Bottom end gasket set

• Talon or ARP stud kit (top end)

• Stickers included

💡 Run on pump gas or race fuel. No machining required — drop-in ready.

🧩 Fitment – Confirmed Compatibility
✔️ 2021–2022 Polaris RZR XP Turbo S / Turbo S 4
✔️ 2022 Polaris RZR Turbo R / Turbo R 4
✔️ Velocity, Lifted Lime, Premium, Ultimate, Sport & Ride Command Editions

🛡️ Warranty & Returns

• 1-Year Warranty on eligible components

• Stud Kit: Lifetime Warranty

• All warranty claims require return of failed parts

• Claims void if damage results from improper install, tuning, or abuse

• Professional installation required

• 30-day returns on unused kits (restocking & shipping fees apply)