✓ VERIFIED
May 16, 2026
not what I needed. description wasn't very clear but not worth sending back. oh well just have to be more careful next time
COMETIC
SKU: 68-9185
Cometic Twin Cam EST Gasket Kit - Harley Touring & 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 refresh, the Cometic Twin Cam EST Gasket Kit provides the comprehensive solution you need. This kit includes every gasket, seal, washer, and O-ring required for a full engine overhaul, ensuring no detail is overlooked. Built with advanced materials, it's designed to deliver a leak-free and long-lasting seal.
Why riders pick this
- Complete engine overhaul kit for Harley Twin Cam
- MLS head gaskets for enhanced sealing performance
- Viton-coated base gaskets resist heat and chemicals
- Blue Viton valve stem seals for optimal oil control
- AFM material construction throughout the kit
- All necessary gaskets and seals included
This Cometic Twin Cam EST Gasket Kit is specifically assembled for Harley-Davidson Twin Cam models, covering a wide range of Touring and Softail platforms. It features premium components like Multi-Layer Steel (MLS) head gaskets and Viton-coated base gaskets, engineered to withstand the extreme conditions inside a high-performance V-twin engine. This kit ensures that every sealing surface, from the top end to the bottom end, is properly addressed for optimal engine integrity.
Advanced Sealing Technology
- Multi-Layer Steel (MLS) head gaskets for superior sealing and durability
- Steel Viton-coated base gaskets resist chemicals and high temperatures
- Blue Viton valve stem seals ensure precise oil control
- AFM material construction for robust and reliable performance
- Complete kit includes all gaskets, seals, washers, and O-rings for an overhaul
Build Your Twin Cam Right
Investing in a quality gasket kit like this Cometic offering is crucial for the longevity and performance of your Twin Cam engine. Whether you're rebuilding a Road King, Electra Glide, or Softail, these gaskets provide the foundation for a reliable engine. Don't compromise on sealing when building or refreshing your V-twin; choose Cometic for proven quality.
Specifications
- Brand: Cometic
- Manufacturer Part #: C9185
- Length: 23 in
- Width: 13.5 in
- Height: 0.23 in
- Weight: 0.05 lbs
Common questions
What Harley-Davidson engine models does this gasket kit fit?
This Cometic Twin Cam EST Gasket Kit is designed for Harley-Davidson Twin Cam EST engines, fitting a broad range of Touring and Softail models. Please use our Shop by Bike tool to confirm compatibility with your specific motorcycle.
Does this kit include every gasket and seal needed for a full engine rebuild?
Yes, this is a comprehensive kit containing all gaskets, seals, washers, and O-rings required for a complete engine overhaul, from the top end to the bottom end.
What kind of performance benefits do the MLS head gaskets offer?
The Multi-Layer Steel (MLS) head gaskets provide superior sealing under extreme pressure and temperature, reducing the risk of leaks and promoting consistent engine performance, especially in high-performance 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 | 68-9185 |
| WEIGHT | 0.05 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.36
14 RATINGS
5★
11
4★
0
3★
1
2★
1
1★
1
✓ VERIFIED
Mar 8, 2026
Gasket
Working fine was for my brother's bike
✓ VERIFIED
Oct 25, 2024
Works Fine at a lower cost
I usually have an OEM from Harley Davidson, I have used this twice on my 04 Electraglide, no leaks or issues. At a much lower price.
✓ VERIFIED
Jun 8, 2024
A mediocre gasket
I didn’t use this gasket after removing the derby and seeing the Harley gasket that I removed. No comparison in quality. I ended up going to the local dealer and bought an O.E. gasket.
✓ VERIFIED
Jun 6, 2023
A good buy
The gasket fit nicely and no leaks so far . The fitment was spot on .
✓ VERIFIED
May 4, 2023
There is nothing on them indicating they are actually Cometic gaskets. Are they Substitutes?
