What is the compression ratio of this piston?

This Wiseco piston kit features a 10.6:1 compression ratio. This is higher than stock and designed to increase engine performance.

What comes included with this piston kit?

The kit includes the forged piston, high-quality piston rings, wrist pin(s), and circlips needed for installation.

Is this piston kit legal for use in California?

No, this piston kit is not CARB approved and cannot be shipped to California due to Proposition 65 regulations.

Wiseco 11-14 Polaris RZR XP 900 10.6:1 CR Piston

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Specifications

Brand: Wiseco
Part #: 40045M09300
UPC: 193564124296

Wiseco 11-14 Polaris RZR XP 900 10.6:1 CR Piston

Name: Wiseco 11-14 Polaris RZR XP 900 10.6:1 CR Piston
Brand: Wiseco
Price: 220.76 USD
Availability: InStock

$220.76

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Wiseco 11-14 Polaris RZR XP 900 10.6:1 CR Piston Kit. Forged for improved strength and reliability.

Key Features

Fits 2011-2014 Polaris RZR XP 900 models.
Forged aluminum construction offers improved tensile strength for better durability.
10.6:1 compression ratio for increased engine performance.
Includes high-quality piston rings, wrist pin(s), and circlips.
Engineered, forged, and machined in the USA.
Designed for specific 4-stroke powersports engine applications.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will this fit your vehicle?

Product Details

Wiseco is known for making strong, reliable performance parts for powersports vehicles. This forged piston kit is built specifically for the 2011-2014 Polaris RZR XP 900, offering a 10.6:1 compression ratio for improved power. It's designed to handle the demands of off-road riding, providing a solid upgrade for your engine.

The forged aluminum material gives this piston improved tensile strength compared to cast pistons, which means it’s built to last and handle higher stresses. Wiseco machines these pistons to tight tolerances right here in the USA, ensuring a good fit and optimal performance. This kit includes everything you need to get your engine running with the new piston: high-quality rings, a wrist pin, and circlips.

This piston is a direct fit for a range of Polaris RZR XP 900 models from 2011 to 2014, including the LE and Jagged X editions. If you're looking to rebuild or enhance your RZR's engine, this Wiseco piston kit is a well-built option that balances performance and durability.