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Cometic Twin Cam EST Complete Gasket Kit - Harley Twin Cam
About Cometic
Cometic Gasket manufactures multi-layer steel head gaskets and complete gasket kits in Concord, Ohio. On a built V-twin running higher compression or a big-bore kit, the MLS head gasket is what keeps the top end sealed — which is why Cometic is the default spec on so many engine builds.
When it's time for a full engine overhaul on your Twin Cam, this Cometic EST gasket kit delivers everything you need for a complete, leak-free rebuild. Featuring advanced materials like MLS head gaskets and Viton-coated base gaskets, this kit ensures a superior seal under the demands of a performance V-twin.
Why riders pick this
- Complete kit for Twin Cam engine overhaul
- MLS head gaskets for enhanced sealing
- Viton-coated base gaskets for durability
- Blue Viton valve stem seals for oil control
- All necessary gaskets, seals, and o-rings included
A complete engine overhaul demands a complete and reliable gasket set. The Cometic Twin Cam EST gasket kit provides every single gasket, seal, washer, and O-ring required to fully rebuild your Twin Cam engine. This comprehensive kit eliminates the guesswork and the need to source individual components, ensuring you have all the right parts for a professional-grade job.
Extreme Sealing Technology for Peak Performance
- Multi-Layer Steel (MLS) head gaskets for robust sealing
- Steel Viton-coated base gaskets resist heat and chemicals
- Blue Viton valve stem seals offer superior oil control
- Advanced AFM material components throughout the kit
- Complete kit for a full engine overhaul, no missing parts
Confidence for Your Twin Cam Rebuild
Whether you're refreshing a high-mileage Twin Cam or building a performance engine, the Cometic EST gasket kit provides the confidence of a tight, reliable seal. The use of premium materials is critical for maintaining compression and preventing leaks, especially in modified or high-output V-twins. Ensure your next engine project is sealed right from the start with Cometic.
Specifications
- Brand: Cometic
- Manufacturer Part #: C9949
- Weight: 0.93 lbs
Common questions
What does the Cometic Twin Cam EST gasket kit include?
This comprehensive kit includes all gaskets, seals, washers, and o-rings necessary for a complete Twin Cam engine overhaul, such as MLS head gaskets, Viton-coated base gaskets, and Viton valve stem seals.
Is this kit compatible with all Harley-Davidson Twin Cam engines?
This kit is designed for Twin Cam EST engines. We recommend using our Shop by Bike tool to verify compatibility with your specific year and model before ordering.
What is 'EST' in Cometic gasket kits?
EST stands for Extreme Sealing Technology, which means the kit utilizes advanced materials like Multi-Layer Steel (MLS) head gaskets and Viton-coated components for superior sealing performance in high-performance V-twin applications.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Cometic |
| TYPE | Gaskets/Seals |
| SKU | 68-9949 |
| WEIGHT | 0.93 lb |
I've been using cometic gaskets for a number of years. They never fail me they are a great gasket maker
Seems to be fine
Fit perfectly
Good
5 Stars