Description
A compromised top end gasket kit leads to coolant leaks, combustion blow-by, and catastrophic engine failure—especially in high-demand snowmobile applications where thermal cycling is relentless. The PROX Top End Gasket Kit for Ski-Doo MXZ/GSX engines delivers factory-spec sealing integrity with premium materials engineered to withstand extreme temperature fluctuations and aggressive riding conditions. Whether you’re rebuilding after a season of hard riding or performing preventative maintenance, this complete gasket set ensures airtight seals across all critical engine junctions.
- Fits: Ski-Doo MXZ/GSX
- PROX MPN: 355503
- Complete top end set
- Factory OEM specifications
- Precision-cut gasket materials
- High-temperature resistant
- Includes all critical seals
- Bolt-on installation
- Direct replacement part
- Eliminates coolant leakage
