✓ 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 8 EST Gasket Kit - M8 PR 3.937" .030"mls H/G .014" Base — Harley-Davidson (2017-2019)
$79.36
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Cometic Milwaukee-8 EST gasket kit supplies all seals, gaskets, o-rings, and washers needed for a complete engine overhaul on M8-powered V-twins. Features MLS head gaskets, steel Viton-coated base gaskets, and blue Viton valve stem seals engineered for modern high-performance engines.
Features
- MLS head gaskets
- Steel Viton-coated base gaskets
- Blue Viton valve stem seals
- AFM material components
- Complete overhaul kit — all gaskets, seals, o-rings, and washers included
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
Fitment
Fits V-twin motorcycles with Milwaukee-Eight (M8) EST engines, including Harley-Davidson and Indian Motorcycle models.
Frequently Asked Questions
What's included in this kit?
Every gasket, seal, o-ring, and washer needed for a complete engine overhaul — head gaskets, base gaskets, valve stem seals, and AFM components.
Will this fit my Harley M8?
Yes — this kit is designed for all Harley-Davidson Milwaukee-Eight engines.
Are these OEM gaskets?
Cometic manufactures these gaskets to exacting specifications for M8 engines. They are not OEM Harley but are engineered for the same performance and durability.
Do I need special tools to install these?
Standard gasket-removal tools and a gasket scraper are recommended. Refer to your service manual for proper torque sequences and installation order.
| 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
5★
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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.
