✓ VERIFIED
May 30, 2022
Fit perfect
COMETIC
SKU: 68-9176
Cometic Evo Sportster EST Full Engine Gasket Kit - Harley Sportster Evolution
$286.85
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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.
Give your Evo Sportster engine a complete overhaul with the Cometic EST Gasket Kit. This comprehensive set is engineered with Extreme Sealing Technology to provide superior sealing across all critical engine surfaces. From head gaskets to valve stem seals, this kit includes everything you need for a reliable rebuild.
Why riders pick this
- Complete engine overhaul gasket set for Evo Sportster
- Extreme Sealing Technology (EST) for superior performance
- Includes MLS head gaskets and Viton-coated base gaskets
- All necessary gaskets, seals, washers, and o-rings included
When it's time to refresh your Evo Sportster, don't compromise on seals. The Cometic EST Gasket Kit is designed for riders who demand the best in engine sealing technology. It addresses common leak points and provides a robust barrier against oil and compression loss, critical for maintaining peak engine performance and longevity on your Harley Sportster.
Extreme Sealing Technology for V-Twins
- Complete engine overhaul kit with all gaskets, seals, washers, and o-rings
- Features Multi-Layer Steel (MLS) head gaskets for superior sealing
- Steel Viton-coated base gaskets resist heat and chemicals
- Includes blue Viton valve stem seals for optimal valve train performance
- Advanced AFM material gaskets for reliable sealing across various surfaces
Rebuild with Confidence
Performing a full engine overhaul requires attention to detail and quality components. This Cometic EST Gasket Kit provides the foundation for a successful rebuild, ensuring every critical junction is sealed with precision-engineered materials. Whether you're refreshing a high-mileage engine or building a performance monster, these gaskets are designed to withstand the demands of your Harley Evolution Sportster.
Specifications
- Brand: Cometic
- Manufacturer Part #: C9176
- OE Number: 17027-04B
- Length: 13.4 in
- Width: 22.9 in
- Height: 1.9 in
- Weight: 1.735 lbs
Common questions
What is included in this Cometic Evo Sportster EST Gasket Kit?
This kit is a complete engine overhaul set, including every gasket, seal, washer, and o-ring needed for a full rebuild. This covers head gaskets, base gaskets, valve stem seals, and more.
What does EST (Extreme Sealing Technology) mean?
EST is Cometic's proprietary technology, combining advanced materials like Multi-Layer Steel (MLS) head gaskets, Viton coatings, and AFM materials to deliver superior sealing performance under extreme heat and pressure conditions in V-twin engines.
Will this gasket kit fit all Evo Sportster models?
This kit is designed for Evo Sportster engines. Always confirm compatibility with your specific Harley Sportster model and year using our Shop by Bike tool before ordering.
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 | 68-9176 |
| WEIGHT | 1.74 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
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✓ VERIFIED
Nov 1, 2019
5 Stars
✓ VERIFIED
Feb 4, 2013
Good set of gaskets
