✓ VERIFIED
Jan 16, 2020
Almost identical to OEM. Good fit. I did miss that they are sold as each and not as a pair. Small detail and my fault but it did slow my project down a bit.
COMETIC
SKU: 68-10164-HB
Cometic Milwaukee-Eight EST Gasket Kit 3.937" Bore .030"MLS H/G .014" Base - Harley Milwaukee-Eight
$79.36
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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.
The Cometic Milwaukee-Eight EST Gasket Kit provides all the necessary seals, gaskets, o-rings, and washers for a comprehensive engine overhaul on your M8-powered V-twin. Engineered for modern high-performance engines, this kit includes multi-layer steel (MLS) head gaskets and steel Viton-coated base gaskets to ensure superior sealing and durability.
Why riders pick this
- Complete engine overhaul gasket kit
- MLS head gaskets for robust sealing
- Steel Viton-coated base gaskets included
- Blue Viton valve stem seals for oil control
- All necessary seals, o-rings, and washers
- Designed for high-performance Milwaukee-Eight
When it's time for a full engine rebuild or top-end service on your Milwaukee-Eight, trust the precision and quality of a Cometic EST Gasket Kit. This all-inclusive kit eliminates the guesswork, supplying every critical sealing component you'll need. Designed to withstand the intense heat and pressures of performance V-twin engines, these gaskets ensure a leak-free and reliable assembly.
Engineered for Performance and Durability
- Multi-Layer Steel (MLS) head gaskets for superior sealing
- Steel Viton-coated base gaskets for enhanced durability
- Blue Viton valve stem seals for optimal oil control
- AFM material components for complete engine sealing
- Comprehensive kit includes all gaskets, seals, o-rings, and washers
Reliable Sealing for Your M8
Whether you're pushing serious horsepower or simply refreshing a high-mileage engine, proper sealing is non-negotiable. The components in this Cometic kit are chosen for their ability to perform under demanding conditions, providing peace of mind for your Milwaukee-Eight engine. Ensure a professional-grade rebuild by using a complete, purpose-built gasket set like this one for your Harley-Davidson or Indian Motorcycle M8.
Specifications
- Brand: Cometic
- Manufacturer Part #: C10164-HB-030
- Head Gasket Bore: 3.937 in
- Head Gasket Thickness: .030 in MLS
- Base Gasket Thickness: .014 in
- Weight: 0.55 lbs
Common questions
What specific components are included in this EST gasket kit?
This comprehensive kit includes all gaskets, seals, o-rings, and washers needed for a complete engine overhaul, such as MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and other AFM material components.
Is this gasket kit compatible with all Milwaukee-Eight engines?
Yes, this Cometic EST gasket kit is designed for all Harley-Davidson Milwaukee-Eight (M8) engines, ensuring proper fitment and sealing for your V-twin.
Are these gaskets considered OEM replacements?
Cometic gaskets are high-quality aftermarket components known for exceeding OEM specifications, especially in performance applications. They are designed for reliability and durability in demanding V-twin environments.
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 | 68-10164-HB |
| WEIGHT | 0.55 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.87
15 RATINGS
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✓ VERIFIED
Oct 18, 2021
Great seals and gaskets do the job once when you use quality gaskets
✓ VERIFIED
Sep 26, 2019
Seal good and I haven't had any issues..
✓ VERIFIED
Jun 27, 2025
It worked like it was suppose to, delivery was quick. <br />Pleased.
✓ VERIFIED
Dec 19, 2023
Just what I needed
Needed these when changing out intake manifold. They worked perfect for my ‘03 sporty.
✓ VERIFIED
Jun 12, 2023
Cometic from here on out
These seals are the only ones I'll use. others came close but, for me, these are best.
