Polaris RZR XP 900 / XP 4 900 Top End Rebuild Kit – Cylinder & Pistons (2011–2014)
FITS ALL 2011–2014 POLARIS RZR XP 900 & XP 4 900 MODELS
This value-engineered top end rebuild kit is the smart solution for restoring compression, improving performance, and keeping your RZR running reliably—without breaking the bank. It includes a precision-machined stock Nikasil cylinder and factory-style pistons designed to bolt directly into your engine with no modification.
✅ What’s Included:
-
Stock 93mm Nikasil cylinder
-
Forged or cast pistons (OEM spec)
-
Hi-temp piston rings
-
Chrome wrist pins & circlips
-
Complete Cometic top end gasket kit
-
Viton valve stem seals
-
Phone and online tech support
-
Stickers included
🛠️ No case mods required. Runs on pump gas or race fuel.
🔧 Confirmed Fitment
✔️ 2011–2014 Polaris RZR XP 900
✔️ 2011–2014 Polaris RZR XP 4 900
✔️ LE, EPS, Walker Evans, Jagged X, and Pursuit Editions
📌 4-Stroke EFI Parallel Twin
🛡️ Warranty Info
-
1-Year Limited Warranty (parts must be returned for inspection)
-
No coverage for failures due to improper installation, tuning, or misuse
-
Professional engine builder highly recommended
We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.
We don't do backorder! If your items has already sold you will be notified immediately and you money refunded on the spot.
Sold items are removed daily.
If you see it on this website, it is 100% in stock unless it just sold before you clicked buy.
If you call we answer, if you text we respond, if you have a question we respond. Sometimes we sleep so it could be next morning but we will respond.
Thank you for shopping with us! We appreciate you!
