Wiseco 90-93 Polaris 350 Trail Boss 3189TD Piston Wiseco 90-93 Polaris 350 Trail Boss 3189TD Piston
The 1990-1993 Polaris 350 Trail Boss used a 2-stroke engine, and this Wiseco 3189TD piston is built as a classic forged replacement for that powerplant.
Rebuilding a 2-stroke engine on an older ATV like the Trail Boss calls for a piston that restores the tensile strength a worn cast original has lost, since ring seal and compression on a 2-stroke depend heavily on that fit. Wiseco’s classic forged line covers this kind of vintage powersports rebuild, from motocross bikes to snowmobiles to ATVs like this one.
- Classic forged 2-stroke piston built for engine rebuilds on older powersports platforms
- Forged material improves tensile strength over the original cast piston
- Dedicated forging produced for the Trail Boss 350 engine specifically
- Additional lightening operations applied to optimize strength-to-weight ratio
- Intended to restore performance whether the quad sees trail or work use
- Part of Wiseco’s Classic Forged Series covering a wide range of Powersports rebuilds
- Suited to a full 2-stroke top-end rebuild rather than a partial fix
Built for the 1990-1993 Polaris 350 Trail Boss 2-stroke engine, this piston fits owners rebuilding that specific powerplant who want forged strength in place of the factory cast piston.
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