What materials is this piston made from?

This piston is made from special high-performance alloys, including nickel, silica, and aluminum. These materials are chosen to provide reliability and greater resistance.

What kind of performance improvements can I expect?

The piston's construction and smooth profile are designed to offer greater resistance and excellent performance compared to a stock piston, ensuring regular flow and proper flame propagation.

Does this piston come with rings and a pin?

This product listing is for the forged racing piston only. Rings and pin are typically sold separately and should be confirmed before purchase.

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Athena Yamaha SR 500 4T Forged Racing Piston Bore 88.92mm for OE Cylinder

Specifications

Brand: Athena
Part #: S4F089000010
UPC: 8050444894767

Athena Yamaha SR 500 4T Forged Racing Piston Bore 88.92mm for OE Cylinder

Name: Athena Yamaha SR 500 4T Forged Racing Piston Bore 88.92mm for OE Cylinder
Brand: Athena
Price: 221.27 USD
Availability: InStock

$221.27

Athena Yamaha SR 500 4T Forged Racing Piston Bore 88.92mm for OE Cylinder. Offers improved resistance and performance over stock.

Key Features

Fits Yamaha SR 500 4T with OE cylinder.
Forged racing piston with 88.92mm bore.
Constructed from high-performance nickel, silica, and aluminum alloys.
Precision CNC machined to tolerances of less than 0.01 mm.
Designed for improved resistance and excellent performance.
Smooth profile ensures regular flow and perfect flame propagation.

This piston is designed for the Yamaha SR 500 4T with an OE cylinder. It is not CARB approved and cannot be shipped to California.

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Product Details

Athena has been making motorcycle spare parts for over 40 years, and they're known for their reliable components. This 4-stroke forged racing piston is made using a reverse extrusion process and precision CNC machining, holding tolerances to less than 0.01 mm. It's constructed from special high-performance alloys, including nickel, silica, and aluminum, which are designed to match the reliability of your original equipment piston while offering increased resistance and excellent performance.

The smooth profile of this piston helps ensure regular flow and proper flame propagation within the cylinder. This piston is designed to fit the OE cylinder for your Yamaha SR 500 4T, making it a solid option for rebuilding or upgrading your engine.