Description
Engine gasket and seal degradation is one of the most common causes of power loss and fluid leaks in high-performance snowmobiles. The PROX Gasket Kit with Oil Seals for Ski-Doo 550 engines delivers factory-spec reliability with precision-cut components designed to maintain compression and prevent oil weeping during aggressive riding. Whether you’re rebuilding after a season of hard use or performing preventative maintenance, this complete kit eliminates the need to source individual gaskets and seals separately.
PROX has engineered these components to OEM tolerances, ensuring a drop-in fit without modification. By restoring proper sealing surfaces, you’ll recover lost power, reduce emissions, and extend engine longevity in the most demanding conditions.
- Fits: Ski-Doo 550
- Complete gasket set included
- Oil seals integrated
- OEM-equivalent fitment
- CNC-precision cut
- High-temperature rubber compounds
- Bolt-on installation
- MPN: 34.5503
- Prevents compression leakage
- Reduces oil seepage






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