✓ 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: 68-10256-030
Cometic Milwaukee 8 Engine Gasket Kit - M8 4.250" 124cu .030"h/G — Harley-Davidson Street Glide, Softail Fat Boy 114, Road King Special (2017-2026)
$264.54
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Cometic Milwaukee 8 engine gasket kit for complete motor rebuilds, including every gasket, seal, washer, and o-ring needed for a full overhaul. Engineered and manufactured in the USA to match modern V-Twin performance requirements.
Features
- Complete gasket kit — no separate purchases needed
- All seals, washers, and o-rings included
- Designed for Milwaukee-Eight engine rebuilds
- USA manufacturing
Specifications
- Brand: Cometic
- Manufacturer Part #: C10256-030
- Bore: 4.250 inch
- Displacement: 124 cubic inches
- Head Gasket Thickness: 0.030 inch
- Kit Dimensions: 8.75 in L × 7.5 in W × 2 in H
- Weight: 3 lbs
- Country of Origin: United States of America
Fitment
Fits V-Twin motorcycles with Milwaukee-Eight engines requiring a complete gasket overhaul.
Frequently Asked Questions
What's included in this gasket kit?
Every gasket, seal, washer, and o-ring needed for a complete engine overhaul — no additional sealing components required.
Is this a complete kit or do I need other gaskets?
This is a complete kit designed to cover all internal engine sealing surfaces for a full rebuild.
Will this fit my Harley Milwaukee-Eight?
Yes — Cometic Milwaukee 8 gasket kits fit Harley-Davidson models with M8 engines.
Where is this made?
Manufactured in the United States of America.
| BRAND | Cometic |
| TYPE | Gaskets/Seals |
| SKU | 68-10256-030 |
| WEIGHT | 3.0 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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4★
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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.
