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Wiseco
Wiseco 639M08100 for 90-93 Polaris 350 Trail Boss 3189TD Piston
Photographs show a representative part from this product family. Bore size and the other dimensions in the table below are what define this exact part number.
Overview
Genuine Wiseco part.
Classic Forged 2-stroke pistons are perfect for those looking to rebuild their 2-stroke engine with reliable, high-quality components. These pistons cover a wide range of Powersports rebuilds, including vintage motocross models, classic street bikes, and snowmobiles. The forged material improves tensile strength over cast pistons, ensuring refreshed performance on the track or the trail.
Key Features
Dedicated forgings and additional lightening operations allow for optimized strength-to-weight ratio
Classic Forged 2-stroke pistons are perfect for those looking to rebuild their 2-stroke engine with reliable, high-quality components
The forged material improves tensile strength over cast pistons, ensuring refreshed performance on the track or the trail
Fitment
Product Details
Brand
Wiseco
Manufacturer Part Number
639M08100
Type
Piston Set
Application
Sold by specification — match bore, stroke, compression ratio and pin size to your engine
Shipping & Returns
Free economy shipping within the United States.
Ships within 1 business day of cleared payment.
30-day money-back returns.
Product image is for reference only; actual item may differ.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
