COMETIC SKU: 68-9148

Cometic Complete Engine Gasket Kit - Twin Cam EST Harley-Davidson Dyna

$645.000,00
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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.

Perform a complete V-twin engine overhaul with the Cometic Twin Cam EST gasket kit. This comprehensive kit contains every gasket, seal, washer, and o-ring necessary to rebuild your Harley-Davidson Twin Cam EST engine.

Why riders pick this

  • Complete engine overhaul kit for Twin Cam EST
  • Includes MLS head gaskets for reliable sealing
  • Steel Viton-coated base gaskets for durability
  • Blue Viton valve stem seals for optimal performance
  • All gaskets and seals included for full overhaul

When it's time for a full refresh of your Twin Cam EST engine, cutting corners on gaskets isn't an option. This Cometic kit provides all the high-quality sealing components you need, ensuring a durable, leak-free rebuild. It's designed to meet the rigorous demands of your Harley-Davidson, giving you confidence in your engine's performance for miles to come.

Premium Sealing for Engine Longevity

  • Multi-Layer Steel (MLS) head gaskets for superior cylinder sealing
  • Steel Viton-coated base gaskets offer enhanced durability and heat resistance
  • Blue Viton valve stem seals ensure optimal valve train performance
  • AFM material components provide robust and reliable sealing throughout the engine
  • Complete kit includes all gaskets and seals required for a full overhaul

The Right Kit for Your Twin Cam Dyna

Whether you're bringing an older Twin Cam Dyna back to life or addressing a high-mileage engine, this Cometic gasket kit is your go-to solution. It simplifies the overhaul process by providing all critical sealing components in one package, allowing you to focus on precise assembly and get your Dyna back on the road with a fresh, dependable engine.

Specifications

  • Brand: Cometic
  • Manufacturer Part #: C9148
  • Weight: 4.416 lbs

Common questions

What is included in this Twin Cam EST gasket kit?

This comprehensive kit includes every gasket, seal, washer, and o-ring required for a complete engine overhaul, such as MLS head gaskets, steel Viton-coated base gaskets, and blue Viton valve stem seals.

Is this gasket kit specifically for Harley-Davidson Twin Cam engines?

Yes, this kit is precisely engineered for Harley-Davidson Twin Cam EST engines, ensuring proper fitment and performance for your V-twin.

Do I need to purchase any additional gaskets if I buy this kit?

No, this is a complete engine overhaul kit, meaning it contains all the necessary gaskets and seals needed for a full rebuild, so no separate purchases are required.

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
SKU68-9148
WEIGHT4.42 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.6
15 RATINGS
5★ 12
4★ 2
3★ 0
2★ 0
1★ 1
✓ VERIFIED
Sep 10, 2023

It is still in the mail somewhere. Not able to rate at this time.

— Brian B
✓ VERIFIED
Nov 16, 2022

I've been using cometic gaskets for a number of years. They never fail me they are a great gasket maker

— Anonymous
✓ VERIFIED
Feb 7, 2022

Seems to be fine

— Anonymous
✓ VERIFIED
Jul 28, 2020

Fit perfectly

— Anonymous
✓ VERIFIED
Apr 30, 2020

Good

— Anonymous
✓ VERIFIED
Mar 31, 2020

5 Stars

— Anonymous