✓ 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: 68-10178
Cometic Milwaukee 8 EST Gasket Kit - M8 CAM Change KIT Oe#25700731 — Harley-Davidson (2017-2019)
$37.71
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Cometic Milwaukee-Eight EST gasket kit with all seals, gaskets, and o-rings needed for a complete engine overhaul. Includes MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and AFM material for reliable M8 performance.
Features
- MLS head gaskets
- Steel Viton-coated base gaskets
- Blue Viton valve stem seals
- AFM material components
- Complete gasket kit — no separate purchases needed
Specifications
- Brand: Cometic
- Manufacturer Part #: C10178
- Length: 9 in
- Width: 7 in
- Height: 1.25 in
- Weight: 0.2 lbs
Fitment
Fits Harley-Davidson and Indian Motorcycle V-Twin models with Milwaukee-Eight EST engines requiring a cam change gasket kit.
Frequently Asked Questions
What's included in this gasket kit?
MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, AFM material components, washers, and all o-rings needed for a complete M8 overhaul.
Will this fit my Milwaukee-Eight engine?
Yes — this kit is designed for Harley-Davidson and Indian Motorcycle Milwaukee-Eight (M8) engines. Verify your specific model year with the manufacturer if unsure.
Do I need any other gaskets if I buy this kit?
No — Cometic designed this as a complete overhaul kit with every gasket, seal, and o-ring required for your application.
What's the difference between MLS and traditional head gaskets?
MLS (multi-layer steel) head gaskets seal better under high pressure and temperature swings typical of modern V-Twin performance engines.
| BRAND | Cometic |
| TYPE | Gaskets/Seals |
| SKU | 68-10178 |
| WEIGHT | 0.2 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.
