Cylinder Works High Compression Cylinder Kit 93mm - Polaris RZR 900 / Ranger 900 / ACE 900 (2013-2016)
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Cylinder Works High Compression Cylinder Kit 93mm - Polaris RZR 900 / Ranger 900 / ACE 900
High compression cylinder kit for your Polaris 900cc engine. Increases compression ratio to 11.5:1 for improved throttle response and power. This kit includes 2x forged piston kits for the parallel twin engine, Nikasil plated cylinder, and full gasket kit. Direct bolt-on with no machine work required. Made in the USA.
Pro Tip: Upgrade your chain tensioner and eliminate jumping cam by using Hot Cams automatic cam chain tensioner conversion.
What's Included
- Cylinder Works 93mm high compression cylinder
- 2x Forged piston kits (for parallel twin engine)
- Piston rings (for both pistons)
- Wrist pins and clips
- Complete top end gasket kit
Key Features
High compression design with 11.5:1 ratio for maximum performance. Nikasil plated cylinder for long life and excellent heat transfer. Forged Vertex pistons ensure longevity and reduced engine noise. Looks virtually identical to OEM. Direct bolt-on installation with no machine work required.
Specifications
- Bore Size: 93mm (standard)
- Displacement: 875cc
- Compression Ratio: 11.5:1
- Engine Type: 4-Stroke Parallel Twin
- Material: Aluminum with Nikasil plating
- Weight: 9.85 lbs
Fitment
Polaris RZR 900:
- RZR 900 XC Edition: 2015
- RZR 900 EPS Trail: 2015-2016
- RZR 900 EPS XC Edition: 2016
- RZR 900 EPS Trail Fox Edition LE: 2016
- RZR S 900: 2015-2016
- RZR S 900 EPS: 2015-2016
- RZR 4 900 EPS: 2015-2016
Polaris Ranger 900:
- Ranger 900 XP: 2013-2016
- Ranger 900 Crew: 2014-2015
Polaris ACE 900:
- ACE 900 SP: 2016
Why Cylinder Works?
Cylinder Works is a trusted name in powersports engine components. Their cylinders and kits are manufactured in the USA to strict tolerances. Used by professional racers and weekend riders who demand reliability.
📦 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.
