Description
A complete top-end rebuild demands precision-matched gaskets and seals that won’t compromise your engine’s integrity or performance. This Moose Racing kit eliminates the guesswork by including every gasket, O-ring, and seal you need for a full top-end refresh—at a fraction of OEM pricing. Whether you’re replacing a worn piston or chasing higher compression, you’ll rebuild with confidence knowing each component is engineered for accurate fit and long-term durability.
Key Features:
- Complete gasket and seal set
- Valve seals included
- Head, base, exhaust gaskets
- Tensioner and misc. O-rings
- Genuine OEM replacement seals
- Designed for piston replacement
- U.S.A.-manufactured components
- High-compression base option available
- .012″ thick base gaskets
- Compression increase without machine work
- Cost-effective performance upgrade
- Bolt-on installation (top-end)
- Application: RM 250 engines
- MPN: 810574MSE






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