What is the bore size for this ring set?

This Wiseco ring set is designed for an 85.50mm bore size. It's important to ensure this matches your piston and cylinder specifications for proper fitment and engine function.

Are these rings compatible with pistons from other brands?

While these rings are developed to work specifically with Wiseco pistons for ultimate performance and sealing, they are designed to meet precise specifications. It's always best to confirm compatibility with your specific piston if it's not a Wiseco part.

What does 'Not CARB approved' mean?

This means the product does not meet the emissions standards set by the California Air Resources Board (CARB). Therefore, it cannot be legally shipped to or installed on vehicles registered in California.

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Specifications

Brand: Wiseco
Part #: 3366TD

Wiseco 85.50mm Ring Set

Name: Wiseco 85.50mm Ring Set
Brand: Wiseco
Price: 53.93 USD
Availability: InStock

$53.93

On Backorder

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

Fits 1980-1981 Yamaha YZ465. Wiseco 85.50mm piston ring set for improved engine sealing and performance.

Key Features

Fits 1980-1981 Yamaha YZ465.
85.50mm bore size.
Designed for optimal sealing and oil control.
Developed to work with Wiseco pistons for maximum performance.
Tested for durability and race-ready 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 this vehicle

Yamaha YZ465 1980-1981

Product Details

This is a Wiseco 85.50mm piston ring set specifically made for the 1980 and 1981 Yamaha YZ465. Piston rings are critical for how well your engine seals, controls oil, and performs overall. Wiseco develops these rings to work seamlessly with their pistons, ensuring you get race-ready performance from your engine.

These rings are designed to provide excellent sealing and oil control, which are key factors in maintaining engine power and longevity. Wiseco tests their ring designs and materials to validate durability and performance, so you can be confident in their ability to handle demanding use.