✓ VERIFIED
May 30, 2022
Fit perfect
COMETIC
SKU: 68-9177
Cometic Evo Sportster EST Full Engine Gasket Kit - Harley Sportster Evolution
$140.45
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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.
Rebuild your Evo Sportster engine with confidence using the Cometic EST Gasket Kit. This comprehensive kit provides every gasket, seal, washer, and o-ring required for a complete engine overhaul. Featuring Cometic's Extreme Sealing Technology, it's designed to deliver reliable, leak-free performance for your V-twin.
Why riders pick this
- Complete engine gasket kit for Evo Sportster V-twins
- Extreme Sealing Technology (EST) for enhanced reliability
- Includes MLS head gaskets and Viton-coated base gaskets
- All gaskets, seals, washers, and o-rings for an overhaul
When you're tearing down your Evo Sportster for a rebuild, the quality of your gaskets is paramount. This Cometic EST Gasket Kit is engineered to provide a superior seal under the demanding conditions of a performance V-twin. From preventing compression loss to keeping oil where it belongs, these gaskets are a crucial upgrade for any Sportster owner looking for long-term reliability.
Advanced Sealing for Your Sportster
- Complete engine overhaul kit with all necessary seals included
- Features Multi-Layer Steel (MLS) head gaskets for enhanced sealing
- Steel Viton-coated base gaskets for heat and chemical resistance
- Utilizes Cometic's Extreme Sealing Technology (EST)
- Components made with AFM material for robust sealing
The Foundation of a Strong Rebuild
A successful engine rebuild starts with high-quality components. This Cometic EST Gasket Kit ensures that all critical mating surfaces on your Harley Evo Sportster are sealed effectively. Whether you're addressing an existing leak or preventing future issues, these precision-engineered gaskets provide the durability and performance you need for a dependable V-twin engine.
Specifications
- Brand: Cometic
- Manufacturer Part #: C9177
- OE Reference #: 17049-04a
- Weight: 1.2125 lbs
Common questions
What components are included in this Cometic Evo Sportster EST Gasket Kit?
This kit is a complete engine overhaul set, providing every gasket, seal, washer, and o-ring needed for a full rebuild, including head gaskets, base gaskets, and valve stem seals.
What is Cometic's Extreme Sealing Technology (EST)?
EST is a proprietary Cometic technology that employs advanced materials like Multi-Layer Steel (MLS) head gaskets and Viton coatings to significantly improve sealing performance and reliability in high-performance V-twin engines.
Will this gasket kit fit my specific Harley Sportster model year?
This kit is designed for Evo Sportster models. For precise fitment, please use our Shop by Bike tool to confirm compatibility with your exact Harley-Davidson Sportster model and year.
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 | 68-9177 |
| WEIGHT | 1.21 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
