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Sep 10, 2023
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COMETIC
SKU: 68-9186
Cometic Twin Cam EST Gasket Kit - Harley Dyna & Softail
$285.56
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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 your Harley Twin Cam engine needs a complete overhaul, the Cometic Twin Cam EST Gasket Kit provides all the necessary components for a comprehensive rebuild. This kit ensures every seal and gasket is perfectly matched for your V-twin, delivering reliable, leak-free performance. It's the ultimate solution for bringing your engine back to factory-fresh condition.
Why riders pick this
- Complete engine overhaul kit for Twin Cam Dyna & Softail
- MLS head gaskets for uncompromising sealing
- Viton-coated base gaskets resist oil and heat
- Blue Viton valve stem seals for optimal sealing
- AFM material construction for durability
- All necessary gaskets and seals included
This Cometic Twin Cam EST Gasket Kit is specifically tailored for Harley Dyna and Softail models, offering a full range of gaskets, seals, washers, and o-rings required for a complete engine overhaul. Each component is manufactured with precision, utilizing materials engineered to withstand the rigors of V-twin engine operation. From the critical head gaskets to the smallest o-ring, this kit ensures a leak-free and durable build, crucial for both daily riders and performance enthusiasts.
Premium Sealing for Your Twin Cam
- Multi-Layer Steel (MLS) head gaskets provide robust sealing under high pressure
- Steel Viton-coated base gaskets offer enhanced chemical and temperature resistance
- Blue Viton valve stem seals for superior oil control and longevity
- Advanced AFM material components throughout the kit
- Comprehensive kit includes all gaskets and seals for a full engine overhaul
Confidence in Every Rebuild
Whether you're refreshing a Dyna Street Bob or a Softail Fat Bob, this Cometic gasket kit provides the essential sealing components for a professional-grade rebuild. It's engineered for the exact tolerances of your Harley Twin Cam, ensuring a precise fit and reliable seal. Pair this kit with your choice of performance upgrades for a fresh start on the road, knowing your engine is sealed for the long haul.
Specifications
- Brand: Cometic
- Manufacturer Part #: C9186
- Weight: 4.4466 lbs
- Kit Type: Twin Cam EST
Common questions
What Harley-Davidson models does this Cometic gasket kit fit?
This Cometic Twin Cam EST Gasket Kit is designed for specific Harley-Davidson Dyna and Softail models with Twin Cam EST engines. Please use our Shop by Bike tool to verify compatibility with your exact year and model.
Is this a complete kit for an engine overhaul?
Yes, this kit includes all gaskets, seals, washers, and o-rings necessary for a complete Twin Cam EST engine overhaul, ensuring you have everything needed for a thorough rebuild.
What are the benefits of the MLS head gaskets included?
The Multi-Layer Steel (MLS) head gaskets in this kit provide superior sealing characteristics, especially under high compression and temperature, making them ideal for 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 | 68-9186 |
| WEIGHT | 4.45 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.6
15 RATINGS
5★
12
4★
2
3★
0
2★
0
1★
1
✓ VERIFIED
Nov 16, 2022
I've been using cometic gaskets for a number of years. They never fail me they are a great gasket maker
✓ VERIFIED
Feb 7, 2022
Seems to be fine
✓ VERIFIED
Jul 28, 2020
Fit perfectly
✓ VERIFIED
Apr 30, 2020
Good
✓ VERIFIED
Mar 31, 2020
5 Stars
