Description
A top-end rebuild demands precision gaskets and seals that won’t compromise your engine’s integrity or reliability. The MOOSE RACING Top End Gasket Kit gives you every component needed for a complete rebuild at a fraction of OEM pricing, without sacrificing quality. Whether you’re replacing a piston or performing routine maintenance, this U.S.-made kit delivers the accuracy and durability your Polaris 425 demands.
What’s Included:
- Valve seals
- Head gasket
- Base gasket
- Exhaust gasket
- Tensioner gasket
- O-rings and misc. seals
- OEM replacement oil seals
Key Features:
- Bolt-on installation
- High-tech material construction
- Accurate fitment guaranteed
- U.S.A. manufactured
- Performance-grade design
- Cost-effective reliability
- Fits Polaris 425
- MPN: 810821mse
Optional High-Compression Option: Available with .012″ thick base gaskets to increase compression ratio without requiring expensive piston upgrades or cylinder head modifications.









