Cometic Top End Gasket Kit 98mm Bore w/.023" MLS Head Gasket (C3178-EST)
- All Cometic top-end gasket kits are complete with head and base gaskets
- Designated kits include reed, power valve and exhaust gaskets
- Cometic graphite head gaskets are manufactured from non-asbestos flexible graphite laminated to a stainless steel core
- Cometic graphite material is impervious to fuels, coolants and oils
- High-Performance kits come with a .012 inch thick base gasket to increase your bikes compression ratio
- Gaskets are manufactured to the same high level quality as Cometics standard gasket sets
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2007-2009 | Yamaha | WR450F | |
| 2011-2015 | Yamaha | WR450F | |
| 2009-2020 | Yamaha | YFZ450R | |
| 2016-2017 | Yamaha | YFZ450R Special Edition | |
| 2014 | Yamaha | YFZ450REL Team Yamaha | |
| 2017-2020 | Yamaha | YFZ450RSE | |
| 2009-2015 | Yamaha | YFZ450RSE Special Edition | |
| 2006-2009 | Yamaha | YZ450F | |