✓ 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: 68-10242-020
Cometic Milwaukee-Eight 0.020" RC Gen2 Embossing Base Gasket - Harley & Indian V-Twin
$98.000,00
Free shipping on orders $99+ · Best value guarantee
affirm
From $8.166,66/mo with Affirm.
See if you prequalify
OUT OF STOCK
Free Shipping on orders $99+
Best Value Guarantee
30-Day Returns — see policy
Authorized Dealer — sourced direct
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.
Ensure a robust and leak-free seal for your Milwaukee-Eight engine with the Cometic .020" RC Gen2 Embossing base gasket. Engineered for precision, this gasket is a critical component for any M8 rebuild or upgrade.
Why riders pick this
- Reinforced cork embossing for a tight seal
- Durable Gen2 construction
- Precise .020" thickness
- Designed for Milwaukee-Eight base applications
- OEM-spec fitment for reliable performance
This Cometic Milwaukee-Eight base gasket features a .020" thickness with reinforced cork embossing and Gen2 construction, specifically engineered for V-twin engines. It provides reliable cylinder sealing, crucial for maintaining compression and preventing oil leaks. Manufactured to OEM specifications, this gasket ensures a precise fit and long-lasting performance for your Harley-Davidson or Indian Motorcycle equipped with an M8 powerplant.
Reliable Sealing for M8 Engines
- Reinforced cork embossing for a strong, consistent seal
- Advanced Gen2 construction for durability
- Precise .020" thickness for optimal fitment
- Engineered for Milwaukee-Eight base applications
Build with Confidence
When you're working on the heart of your V-twin, every component matters. This Cometic base gasket offers the quality and precision needed to ensure a tight seal between your cylinders and crankcase. It's an essential part of preventing common leaks and maintaining the performance of your Milwaukee-Eight engine, whether you're performing routine maintenance or a full performance build.
Specifications
- Brand: Cometic
- Manufacturer Part #: C10242-020
- Thickness: 0.020 in
- Length: 8 in
- Width: 8.5 in
- Weight: 0.5 lbs
Common questions
What is the thickness of this base gasket?
This Cometic base gasket has a thickness of 0.020 inches, featuring reinforced cork embossing for a secure and reliable seal on Milwaukee-Eight engines.
Which engines does this gasket fit?
This base gasket is designed specifically for Milwaukee-Eight (M8) engines found in Harley-Davidson and Indian Motorcycle models. It is not compatible with Twin Cam or Evolution engines.
Is this a complete gasket set?
No, this product is a single base gasket only. For complete engine rebuilds, Cometic offers full motor kits that include various gaskets and seals.
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 | 68-10242-020 |
| WEIGHT | 0.5 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★
13
4★
2
3★
0
2★
0
1★
0
✓ 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.
