✓ VERIFIED
Apr 17, 2025
Gasket quality
Great gasket kit over delivered in the quality of the gasket set great job
COMETIC
SKU: 68-9953
Cometic Evo Sportster EST Gasket Kit - Oe#17027-04 — Harley-Davidson Electra Glide Classic, Sportster 883, Softail Custom (1984-1999)
$199.43
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Cometic Evo Sportster EST gasket kit delivers a complete overhaul set with MLS head gaskets, steel Viton-coated base gaskets, Viton valve stem seals, and AFM material for V-twin engines. EST (Extreme Sealing Technology) components are engineered to match modern high-performance V-Twin demands.
Features
- MLS head gaskets
- Steel Viton-coated base gaskets
- Blue Viton valve stem seals
- AFM material gaskets
- Complete motor overhaul kit — all gaskets, seals, washers, and o-rings included
Specifications
- Brand: Cometic
- Manufacturer Part #: C9953
- Kit Type: EST (Extreme Sealing Technology)
- Weight: 2.275 lbs
Fitment
Fits Evo Sportster and compatible V-twin motorcycle engines.
Frequently Asked Questions
What's included in this gasket kit?
All gaskets, seals, washers, and o-rings needed for a complete motor overhaul — head gaskets, base gaskets, valve stem seals, and AFM material.
What is EST (Extreme Sealing Technology)?
Cometic's EST designation means the kit uses MLS head gaskets, Viton-coated steel base gaskets, and advanced AFM materials for higher performance and reliability.
Will this fit my Evo Sportster?
Yes — this kit is designed for Evo Sportster engines. Verify your engine type before ordering if you have a Twin Cam or Milwaukee-Eight model.
Do I need any additional gaskets beyond this kit?
No — this is a complete overhaul kit with every gasket, seal, washer, and o-ring needed for reassembly.
| BRAND | Cometic |
| TYPE | Gaskets/Seals |
| SKU | 68-9953 |
| WEIGHT | 2.28 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
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.
✓ VERIFIED
Feb 21, 2022
Fits well!
✓ VERIFIED
Sep 10, 2021
Quality part great service and got it ahead of time great place
✓ 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.
✓ 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
