Engines and Components› Pistons and Piston Rings
Wiseco
Wiseco 90-93 Polaris 350 Trail Boss (639M08000) Piston Kit
SKU: W00C PK1647
Advanced — 4+ hours
Description
Constructed with dedicated forgings for a superior strength-to-weight ratio using aerospace alloy, this kit ensures extended life and sustained power for racing applications. It is suitable for various forms of racing, including Supercross, Motocross, and GNCC.
Fitment
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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
| Brand | Wiseco |
| Part Number | W00C PK1647 |
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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