What is the bore size for this Wiseco ring set?

This Wiseco piston ring set is designed for a 65.00mm bore size. It's important to ensure this matches your piston and cylinder specifications for a proper fit.

Are these rings compatible with pistons from other brands?

While these rings are made to Wiseco's specifications to work best with Wiseco pistons, they are designed for optimal performance and sealing. For best results, using them with Wiseco pistons is recommended.

What does 'Not CARB approved' mean for shipping?

This means the product cannot be shipped to California due to California Air Resources Board regulations. If you are outside of California, this will not affect your order.

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Specifications

Brand: Wiseco
Part #: 2559CD
UPC: 193564162472

Wiseco 65.00mm Ring Set

Name: Wiseco 65.00mm Ring Set
Brand: Wiseco
Price: 49.02 USD
Availability: InStock

$49.02

On Backorder

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

Fits 1987-2006 Yamaha YFZ350 Banshee. Wiseco 65.00mm Piston Ring Set for improved engine sealing.

Key Features

Fits 1987-2006 Yamaha YFZ350 Banshee and 1984-1985 Yamaha RZ350.
65.00mm bore size.
Designed to work with Wiseco pistons for optimal sealing.
Helps maintain compression and control oil.
Tested and validated for durability and performance.

⚠️ 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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Fits these vehicles

Yamaha RZ350 1984-1985
Yamaha YFZ350 Banshee 1987-2006

Product Details

If you're rebuilding the top end of your 1987-2006 Yamaha YFZ350 Banshee, a good set of piston rings is crucial for getting your engine running right. These 65.00mm ring sets from Wiseco are made to their own strict specifications, ensuring they work perfectly with Wiseco pistons to give you the best possible seal in the cylinder. A proper seal is key for both compression and controlling oil, which directly impacts how well your piston performs.

Wiseco tests and validates their ring designs and materials for durability and race-ready performance. This means you can count on them to hold up and help your engine make good power. When you're putting an engine back together, the rings are one of those parts that can really make or break the job, so using a set designed for performance and sealing is a smart move.