COMETIC SKU: 68-10200

Cometic Milwaukee-Eight EST Complete Gasket Kit - Harley-Davidson M8 V-Twin

$6.63
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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.

This Cometic Milwaukee-Eight EST gasket kit provides everything you need for a complete engine overhaul on your Harley-Davidson V-twin. It includes all necessary gaskets, seals, washers, and O-rings, featuring MLS head gaskets and Viton-coated base gaskets for robust sealing. Rebuild your M8 with confidence, ensuring a leak-free and high-performing engine.

Why riders pick this

  • Complete engine overhaul gasket kit for Milwaukee-Eight V-twins
  • MLS head gaskets for exceptional cylinder sealing
  • Steel Viton-coated base gaskets for leak prevention
  • Includes all necessary seals and O-rings for a full rebuild

When your Milwaukee-Eight engine demands a full rebuild, trust the Cometic EST (Extreme Sealing Technology) gasket kit to deliver. This comprehensive set is engineered specifically for M8 V-twin engines, providing every seal and gasket required for a complete overhaul. From the Multi-Layer Steel (MLS) head gaskets to the durable Viton valve stem seals, each component is designed to meet the rigorous demands of a performance V-twin, ensuring long-lasting reliability and a perfect seal.

Premium Sealing for M8 Engines

  • Multi-Layer Steel (MLS) head gaskets ensure superior sealing under high temperatures and pressures
  • Steel Viton-coated base gaskets provide robust protection against leaks
  • Blue Viton valve stem seals maintain optimal oil control and prevent seepage
  • Complete kit includes all gaskets, seals, washers, and O-rings for a full engine overhaul

Build a Bulletproof M8

Whether you're chasing more power or simply refreshing a high-mileage engine, the quality of your gaskets is paramount. The Cometic Milwaukee-Eight EST gasket kit utilizes advanced materials like AFM and Viton to create a sealing solution that stands up to the challenges of performance riding. Invest in the best to ensure your M8 V-twin runs strong, clean, and reliable for years to come.

Specifications

  • Brand: Cometic
  • Manufacturer Part #: C10200
  • Application: Milwaukee 8 EST
  • Length: 7 in
  • Width: 6 in
  • Height: 0.25 in
  • Weight: 0.05 lbs

Common questions

What exactly is included in this Cometic EST gasket kit?

This kit is a complete engine overhaul set, including MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, AFM material components, and all other necessary gaskets, seals, and O-rings.

Is this gasket kit compatible with my Twin Cam Harley-Davidson?

No, this Cometic EST kit is specifically designed for Milwaukee-Eight (M8) EST engines. It is not compatible with Twin Cam or other Harley-Davidson engine platforms.

Do I need to purchase any additional gaskets or seals for a complete engine rebuild?

This Cometic EST gasket kit is designed to be a complete solution, providing all the essential gaskets, seals, washers, and O-rings typically required for a full engine overhaul on a Milwaukee-Eight EST engine.

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.
BRANDCometic
TYPEGaskets/Seals
SKU68-10200
WEIGHT0.05 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
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.

— Anonymous
✓ VERIFIED
Oct 18, 2021

Great seals and gaskets do the job once when you use quality gaskets

— Anonymous
✓ VERIFIED
Sep 26, 2019

Seal good and I haven't had any issues..

— Anonymous
✓ VERIFIED
Jun 27, 2025

It worked like it was suppose to, delivery was quick. <br />Pleased.

— Lloyd S
✓ VERIFIED
Dec 19, 2023

Just what I needed

Needed these when changing out intake manifold. They worked perfect for my ‘03 sporty.

— Carlos L
✓ 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.

— Vincent S