What is the purpose of a piston wrist pin?

The piston wrist pin, also known as a gudgeon pin, connects the piston to the connecting rod. This connection allows the piston to pivot relative to the connecting rod as it moves up and down in the cylinder.

Why does this pin have an unchromed finish?

An unchromed finish is a specific design choice for certain engine builds. While many pins are chromed for added durability and reduced friction, an unchromed finish may be preferred for specific applications or rebuild requirements.

Does this piston pin come with retaining clips?

The manufacturer description mentions that wrist pins and retaining clips connect the piston to the connecting rod. However, the specific product details for this part number (S423) do not explicitly list retaining clips as included.

Wiseco 20mm x 2.185in NonChromed TW Piston Pin

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Specifications

Brand: Wiseco
Part #: S423
UPC: 193564121684

Wiseco 20mm x 2.185in NonChromed TW Piston Pin

Name: Wiseco 20mm x 2.185in NonChromed TW Piston Pin
Brand: Wiseco
Price: 22.55 USD
Availability: InStock

$22.55

On Backorder

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

Fits 1999-2003 Polaris 500 XC. Wiseco 20mm x 2.185in NonChromed TW Piston Pin connects piston to connecting rod for reliable engine operation.

Key Features

Fits 1999-2003 Polaris 500 XC, 2003 Polaris 500 Classic, and 1999-2002 Polaris 500.
Features a 20.00 mm outer diameter and a 15.00 mm inner diameter.
Measures 55.50 mm in length.
Has an unchromed finish, a specific design choice for certain engine builds.
Connects the piston to the connecting rod for proper engine operation.
Designed for strength and lightweight performance to ensure efficient piston assembly operation.

⚠️ 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

Polaris 500 1999-2002
Polaris 500 Classic 2003
Polaris 500 XC 1999-2003

Product Details

Starting with a 20.00 mm outer diameter and a 15.00 mm inner diameter, this Wiseco piston pin is built to connect your piston to the connecting rod. It measures 55.50 mm in length and features an unchromed finish, which is a specific design choice for certain engine builds where chroming isn't preferred. This part is crucial for ensuring your piston assembly operates with minimal friction and maximum efficiency, especially in high-stress situations.

Wiseco is known for making well-built engine components, and this wrist pin is no exception. It's designed to handle the demands of your engine, providing the reliability and endurance needed for performance applications. Having the right piston pin is essential for the overall health and longevity of your engine rebuild.