The Cometic C3801 Top End Gasket Kit is designed for Honda CRF450R and CRF450RX engines using a 96mm bore. This application-specific kit supports reliable top-end service and helps restore proper sealing during engine assembly. It is engineered to fit select 2021–2024 Honda models, including the CRF450R, CRF450R W.E., and CRF450RX.
Cometic uses carefully selected gasket materials throughout the kit to support dependable performance in demanding off-road conditions. The graphite gaskets feature a steel core laminated on both sides with flexible graphite, providing strength and conformity across sealing surfaces. Fiber gaskets are designed for maximum seal, flexibility, and torque retention, while the included O-ring gaskets meet or exceed OEM specifications for reliable fit and sealing performance.
This Cometic top end gasket kit is intended for engine rebuilds, cylinder service, and routine maintenance where accurate fitment and dependable sealing are essential. Verify the engine model and bore size before installation. The manufacturer part number is C3801, and the vendor part number is 68-38010E.
Fitment: 2021 Honda CRF450RX; 2021 Honda CRF450R W.E.; 2021 Honda CRF450R; 2022 Honda CRF450R; 2022 Honda CRF450R W.E.; 2022 Honda CRF450RX; 2023 Honda CRF450R; 2023 Honda CRF450R W.E.; 2023 Honda CRF450RX; 2024 Honda CRF450R.
Features:
- 96mm top end gasket kit for compatible Honda CRF450R and CRF450RX engines
- Compression Support: Designed to support increased compression and improved low-end power
- Graphite Gaskets: Steel-core construction laminated on both sides with flexible graphite
- Fiber Gaskets: Designed for maximum sealing, flexibility, and torque retention
- O-Ring Gaskets: Meet or exceed OEM specifications for dependable sealing
- Fitment: Select 2021–2024 Honda CRF450R, CRF450R W.E., and CRF450RX models
- Brand: Cometic
- Manufacturer Part Number: C3801
- Vendor Part Number: 68-38010E
Fitment:
2021 Honda CRF450R
2021 Honda CRF450R W.E.
2021 Honda CRF450RX
2022 Honda CRF450R
2022 Honda CRF450R W.E.
2022 Honda CRF450RX
2023 Honda CRF450R
2023 Honda CRF450R W.E.
2023 Honda CRF450RX
2024 Honda CRF450R
2024 Honda CRF450R W.E.
2024 Honda CRF450RX