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Engines and Components› Pistons and Piston Rings

Wiseco

Wiseco 90-93 Polaris 350 Trail Boss (639M08050) Piston Kit

$253.95 $231.34 Save $22.61

SKU: W00C PK1648

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Non-Returnable Item
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Description

The Wiseco PK1648 is a top-end kit for 2-stroke powersports engines, specifically designed for the Polaris 350 Trail Boss models from 1990-1993. This kit features a forged aluminum piston with a bore diameter of 80.50 mm and a 70 mm stroke.

Manufactured in the USA, it is built for reliable, high-performance engine rebuilds on ATVs and UTVs.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandWiseco
Part NumberW00C PK1648

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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