What is the purpose of the superfinished outer diameter on this piston pin?

The superfinished outer diameter on this Wiseco piston pin is designed to reduce friction and wear where it contacts the piston and connecting rod. This helps ensure smooth operation and longevity of the engine components.

Does this piston pin come with clips or retainers?

This product is for the piston pin itself. Wiseco offers compatible piston clips and retainer sets separately to ensure your piston assembly remains secure.

Why is this part not CARB approved?

This piston pin is not CARB approved, meaning it cannot be legally shipped to California. This is a regulatory compliance note from the manufacturer.

Wiseco 18mm x 1.850in NonChromed SW Piston Pin

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Specifications

Brand: Wiseco
Part #: S600
UPC: 193564122551

Wiseco 18mm x 1.850in NonChromed SW Piston Pin

Name: Wiseco 18mm x 1.850in NonChromed SW Piston Pin
Brand: Wiseco
Price: 23.54 USD
Availability: InStock

$23.54

On Backorder

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

Fits 2003-2015 Yamaha WR450F. Wiseco 18mm x 1.850in NonChromed SW Piston Pin (S600) keeps your piston assembly secure.

Key Features

Fits 2003-2015 Yamaha WR450F, 2013-2015 Gas Gas EC 450F, 2003-2009 Yamaha YZ450F, and 2017 Can-Am Outlander 650.
Outer diameter measures 18.00 mm, inner diameter is 10.00 mm, and overall length is 47.00 mm.
Features a superfinished outer diameter for reduced friction and improved operation.
Non-chromed construction is suitable for specific engine build requirements.
Designed to work with Wiseco piston clips and retainer sets for secure piston installation.

⚠️ 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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Product Details

This Wiseco piston pin measures 18.00 mm on the outer diameter and is 47.00 mm long, with a 10.00 mm inner diameter. Its superfinished outer diameter helps reduce friction and wear within the piston assembly. This pin is a key component for ensuring your piston stays securely in place, especially during high-performance engine operation.

Wiseco designed this wrist pin for reliable performance in engine rebuilds. The non-chromed, superfinished surface is a specific choice for certain applications where precise tolerances and smooth operation are critical. It's built to work with Wiseco's piston clips and retainer sets, making sure your engine's internal components stay aligned and function correctly under stress.

When you're rebuilding your engine, especially for a performance application like on a Yamaha WR450F, using well-made internal components is essential. This Wiseco pin is part of their range of performance accessories aimed at helping you complete your engine work properly.