COMETIC SKU: 68-9149

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.

Rebuild your Harley-Davidson Twin Cam EST engine with confidence using this comprehensive Cometic gasket kit. It provides all the gaskets, seals, washers, and o-rings necessary for a complete and leak-free engine overhaul.

Why riders pick this

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

When you're performing a full engine overhaul on your Twin Cam EST Dyna, the quality of your gaskets is paramount. This Cometic kit includes premium components like Multi-Layer Steel (MLS) head gaskets and Viton-coated seals, engineered to deliver superior sealing and durability for your high-performance V-twin.

Engineered for a Complete Rebuild

  • Multi-Layer Steel (MLS) head gaskets for robust cylinder sealing
  • Steel Viton-coated base gaskets resist heat and chemical breakdown
  • Blue Viton valve stem seals ensure optimal valve train operation
  • Includes all gaskets, seals, washers, and o-rings for a complete overhaul
  • AFM material gaskets provide reliable sealing across various engine components

Confidence in Every Seal

This Cometic Twin Cam EST gasket kit is designed to provide everything you need for a thorough engine rebuild, eliminating the guesswork and hassle of piecing together individual seals. With components engineered for specific Harley-Davidson Twin Cam applications, you can trust that your engine will be sealed correctly, ready for many more miles of hard riding.

Specifications

  • Brand: Cometic
  • Manufacturer Part #: C9149
  • Weight: 1.22 lbs

Common questions

What specific components are included in this gasket kit?

This kit is a complete engine overhaul package, including MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and all other necessary gaskets, seals, washers, and o-rings.

Will this kit fit my specific Twin Cam engine?

This is an EST-specific kit for Harley-Davidson Twin Cam engines. Please verify your engine designation (e.g., Twin Cam EST) on your bike's documentation to confirm compatibility before purchasing.

Are the head gaskets in this kit made of Multi-Layer Steel (MLS)?

Yes, this Cometic Twin Cam EST gasket kit features high-quality Multi-Layer Steel (MLS) head gaskets, known for their superior sealing capabilities and durability.

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
SKU68-9149
WEIGHT1.22 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