Your cart is empty
Start ShoppingCOMETIC C7140 High Performance MLS Top End Gasket Kit for 95mm Bore - Premium Valve Stem Seals & Exhaust Gasket
Description
Upgrade your engine's sealing performance with the COMETIC C7140 High Performance Top End Gasket Kit. Designed for 95mm bore engines, this premium MLS gasket set ensures optimal compression, reduces leaks, and enhances engine longevity for riders demanding top-tier reliability.
Key Features
- Multi-Layer Steel (MLS) Head Gasket: Constructed from high-grade MLS material for superior heat resistance and sealing integrity under extreme engine conditions.
- One-Piece MLS Exhaust Gasket: Ensures consistent sealing across the exhaust port for improved performance and reduced emissions.
- Premium Valve Stem Seals (x8): Prevent oil leakage and maintain compression efficiency with durable, long-lasting seals.
- Complete Kit Components: Includes head gasket, base gasket, exhaust gasket, O-ring set, and all necessary seals for a full top-end rebuild.
- 1.0mm Head Gasket Thickness: Optimized for 95mm bore engines to balance durability and performance without excessive compression.
Why Choose This Product
Engineers and riders alike trust COMETIC for precision-engineered gasket solutions. This kit combines advanced MLS technology with premium materials to deliver unmatched sealing performance, reduce maintenance intervals, and protect your investment in high-output engines. Perfect for street and track applications where reliability and power are paramount.Log in to submit a price match request.
Upgrade your engine's sealing performance with the COMETIC C7140 High Performance Top End Gasket Kit. Designed for 95mm bore engines, this premium MLS gasket set ensures optimal compression, reduces leaks, and enhances engine longevity for riders demanding top-tier reliability.
Key Features
- Multi-Layer Steel (MLS) Head Gasket: Constructed from high-grade MLS material for superior heat resistance and sealing integrity under extreme engine conditions.
- One-Piece MLS Exhaust Gasket: Ensures consistent sealing across the exhaust port for improved performance and reduced emissions.
- Premium Valve Stem Seals (x8): Prevent oil leakage and maintain compression efficiency with durable, long-lasting seals.
- Complete Kit Components: Includes head gasket, base gasket, exhaust gasket, O-ring set, and all necessary seals for a full top-end rebuild.
- 1.0mm Head Gasket Thickness: Optimized for 95mm bore engines to balance durability and performance without excessive compression.
Why Choose This Product
Engineers and riders alike trust COMETIC for precision-engineered gasket solutions. This kit combines advanced MLS technology with premium materials to deliver unmatched sealing performance, reduce maintenance intervals, and protect your investment in high-output engines. Perfect for street and track applications where reliability and power are paramount.| SKU | GM75C41527 |
|---|---|
| MPN | C7140 |
| UPC/GTIN | 191070007805 |
| Brand | Cometic |
| Category | Gaskets/Seals |
Log in to write a review.
Reviews
No reviews yet. Be the first to review this product!
| Make | Model | Years |
|---|---|---|
| Honda | CRF450R | 2019-2025 |
| Honda | CRF450RX | 2019-2025 |
| Honda | CRF450RL | 2021-2025 |
Frequently Asked Questions
Yes, designed for 95mm stock bore on 2019+ CRF450R/RX/RL models.
Yes, includes head, base, exhaust gaskets and valve stem seals for complete top-end service.
No, C7140 is for stock 95mm bore. Contact Cometic for oversized bore options.
C7140 has 1.0mm head gasket thickness; C7141 is 1.1mm for higher compression setups.
Installation Guide
Tools Required
- torque wrench
- socket set
- gasket scraper
- feel gauge
- engine stand recommended
Pro Tips
- Clean all surfaces with brake cleaner, follow Honda torque specs exactly, use assembly lube on valve seals
Common Mistakes to Avoid
- Not cleaning mating surfaces thoroughly
- Incorrect torque sequence on head bolts
- Over-compressing MLS gasket
Comparison vs Stock/OEM
MLS construction vs OEM composite; superior sealing under high heat/pressure
Improvements
- Better heat resistance
- No compression loss
- Reusability in some cases
Considerations
- Higher cost than OEM
Durability & Warranty
What Others Are Saying
Reviews from across the web