Does it fit your motorcycle?
Look it up by licence plate or VIN, or choose your model.
Confirmed compatible · Position:
This part doesn't fit your bike. See parts that fit
Fits most motorcycles
Not model-specific. Check dimensions and specifications in the description before ordering.
Chosen by size, not by model
The size is printed on the tyre sidewall, e.g. 120/70 ZR17, and in your registration document.
Checking fitment…
Fitment check unavailable
Cometic Viton Cylinder Base Gasket
Product info
- Item number
- 09340781
- Manufacturer number
- C9987
- Position
Upgrade your motorcycle's engine sealing with the high-performance Cometic Viton Cylinder Base Gasket. Designed for superior reliability and long-term durability, this essential component provides an unyielding seal at the base of your cylinder.
Description
Experience unparalleled engine integrity with the Cometic Viton Cylinder Base Gasket, engineered to deliver exceptional sealing performance. This gasket is meticulously manufactured from premium, fuel-resistant materials that resist creeping, cracking, and becoming brittle over time. At its core, a robust stainless steel layer is coated on both sides with a precise 0.001" thick layer of Viton® rubber, ensuring a resilient and reliable seal even under demanding conditions. With a bore size of 3.500" and a thickness of 0.020" (0.51 mm), this Cometic engine seal is built to exacting standards. Proudly made in the USA, it reflects a commitment to quality and precision that motorcycle enthusiasts and professionals can trust for their engine builds and maintenance.
Features & Highlights
- Advanced Viton® Construction: Features a robust stainless steel core precisely coated with a 0.001" thick layer of Viton® rubber on both sides, offering superior sealing integrity and chemical resistance.
- Exceptional Durability: Manufactured from premium, fuel-resistant materials specifically chosen to prevent creeping, cracking, or becoming brittle, ensuring long-term reliability for your engine.
- Optimized Sealing Performance: Engineered to provide a tight, consistent seal at the cylinder base, preventing leaks and maintaining optimal engine compression and performance.
- Precision Engineered: Designed with exact specifications, including a 3.500" bore size and a 0.020" (0.51 mm) thickness, for a perfect fit and dependable function.
- Proudly American Made: Produced in the USA, guaranteeing high-quality manufacturing standards and meticulous attention to detail.
Technical Specifications
- Product Name: Gasket
- Type: Cylinder Base
- Style: Standard
- Units: Pair
- Material: Viton Coated Steel
- Bore Size: 3.500"
- Thickness: 0.51 mm (0.020")
- Vendor Part Number: C9987
- Vendor part number
- C9987
- Product name
- Gasket
- Style
- Standard
- Bore size
- 3,500"
- Width
- 156 mm
- Height
- 7 mm
- Thickness
- 0,51 mm (0,020")
- Length
- 181 mm
- Material
- Viton Coated Steel
- Type
- Cylinder Base
- Units
- Pair
Free shipping to a GLS parcel shop or parcel box on orders over €200.
We ship your order as quickly as we can. Orders are usually packed within 24 hours on weekdays.
You have a 14-day right of return. Read more
4.8 out of 5 on TrustpilotRead our reviews →
Certified e-mærket web shop
