COMETIC SKU: 68-9193

Cometic Evo Sportster EST Full Gasket Kit - Harley Evo Sportster

$889.000,00
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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.

This Cometic Evo Sportster EST Gasket Kit provides everything you need for a complete engine overhaul on your Evo Sportster V-twin. Featuring Extreme Sealing Technology, it includes all gaskets, seals, washers, and o-rings for a full motor rebuild, ensuring superior sealing and durability.

Why riders pick this

  • Complete engine overhaul gasket kit
  • Extreme Sealing Technology (EST)
  • MLS head gaskets for superior seal
  • Steel Viton-coated base gaskets
  • Includes all necessary seals and o-rings

When it's time for a full engine rebuild on your Evo Sportster, compromise isn't an option. The Cometic EST Gasket Kit delivers comprehensive sealing solutions designed for high performance. This kit includes MLS (Multi-Layer Steel) head gaskets and steel Viton-coated base gaskets, along with all other necessary components to ensure a complete, leak-free overhaul. Cometic's Extreme Sealing Technology is engineered to withstand the demanding conditions of a performance V-twin.

Extreme Sealing Technology for Peak Performance

  • Complete motor overhaul kit with all gaskets, seals, washers, and o-rings
  • MLS (Multi-Layer Steel) head gaskets for superior sealing
  • Steel Viton-coated base gaskets resist heat and chemicals
  • Blue Viton valve stem seals for optimal valve train sealing
  • AFM material components enhance durability and sealing integrity

Confidence in Your Rebuild

A full engine rebuild is a significant undertaking, and the quality of your gaskets can make or break the job. This Cometic EST kit provides the confidence you need, knowing that every sealing surface is addressed with advanced materials and proven technology. From increased compression to better oil retention, this kit helps ensure your Evo Sportster runs strong for years to come. Pair this with a precise assembly for a truly reliable engine.

Specifications

  • Brand: Cometic
  • Manufacturer Part #: C9193
  • Weight: 1.8 lbs
  • OE Reference: 17027-04B

Common questions

What is included in this Cometic EST gasket kit?

This kit is a complete motor overhaul package, including all gaskets, seals, washers, and o-rings needed for a full engine rebuild, such as MLS head gaskets and Viton-coated base gaskets.

What is Cometic's Extreme Sealing Technology (EST)?

EST is Cometic's advanced gasket design, incorporating MLS head gaskets, Viton-coated steel components, and AFM materials to provide superior sealing under high compression, heat, and demanding engine conditions.

Will this gasket kit fit my specific Evo Sportster model?

This kit is designed for Evo Sportster V-twin motorcycles requiring a complete engine overhaul. We recommend using our Shop by Bike tool to confirm exact fitment for your year and model.

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
SKU68-9193
WEIGHT1.8 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.67
18 RATINGS
5★ 16
4★ 0
3★ 1
2★ 0
1★ 1
✓ VERIFIED
Apr 17, 2025

Gasket quality

Great gasket kit over delivered in the quality of the gasket set great job

— Randy M
✓ VERIFIED
Jun 3, 2023

DONT FOLLOW PRINTED INSTRUCTIONS!

DON’T FOLLOW THE INSTRUCTIONS ON THE BOX!!! It says recommended torque is 42 lb/ft. You know what happened at 32lb/ft? One of bolts broke! And I was lucky there was long enough piece sticking out to remove it without drilling out! Check photos.

— Roman B
✓ VERIFIED
Feb 21, 2022

Fits well!

— Anonymous
✓ VERIFIED
Sep 10, 2021

Quality part great service and got it ahead of time great place

— Anonymous
✓ VERIFIED
Jun 7, 2021

No leaks!!<br />Ordering was a breeze. Shipping was fast and I live way out in the middle of the Pacific Ocean, Hawaii. Price was much better than competition.

— Anonymous
✓ VERIFIED
Nov 1, 2020

Great gaskets. Bike has been running great ever since I installed these last week, about 270 miles on em, no issues

— Anonymous