Namura 93mm Standard Bore Cylinder – Polaris RZR 900 / RZR XP 900 (2011–2014) (189-50004)
- Ships next business day
- 30-day hassle-free returns
- Call us: 541-668-7503
- Secure checkout — Pay in 4 available
✓ Fits:
- 2012-2013 Polaris RZR 4 XP 900
- 2014 Polaris RZR 4 900
- 2014 Polaris RZR 900 EFI
- 2011-2014 Polaris RZR 900XP / RZR XP 4 EFI All
- 2011-2013 Polaris RZR XP 900 EFI
✓ Features:
- 93mm standard bore — designed strictly off OEM specifications
- Cast from ab4c aluminum with nickel silicon carbide plated bore
- Exceptional wear resistance — some of the best wear capabilities on the market
- Drop-in installation — no case modifications necessary on most applications
- Brand new Namura cylinder — not a replated or resleeved core
✓ What's Included:
- 1x Namura cylinder (bare — piston kit sold separately)
✓ Pair With – Matching Vertex Top End Piston Kit(s):
- Vertex Top End Kit 92.96mm Cast Replica – Polaris RZR 900 XP / RZR4 900 XP (2011–2012)
- Vertex Top End Kit 92.95mm Cast Replica – Polaris 900 / 1000 Series (2013–2022)
Ships fast from DuneGoonShop!
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
