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:
- Most parts ship next business day
- Modquad parts: Monday–Thursday dispatch
Made-to-Order Items:
- Custom swingarms & A-arms: 2–4 weeks
- EVP exhaust systems: 2–4 weeks
Stock Guarantee: Items marked "In Stock" ship immediately. Made-to-order items are built fresh for you.
Questions? Contact us—we respond within 24 hours.