✓ VERIFIED
Apr 17, 2025
Gasket quality
Great gasket kit over delivered in the quality of the gasket set great job
COMETIC
SKU: 68-9855F
Cometic Evo Sportster EST Gasket Kit - Oe#17026-91b — Harley-Davidson Electra Glide Classic, Sportster 883, Softail Custom (1984-1999)
$199.43
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Cometic Evo Sportster EST Gasket Kit provides a complete engine overhaul set with MLS head gaskets, steel Viton-coated base gaskets, and valve stem seals. EST (Extreme Sealing Technology) components are engineered to handle modern V-twin performance demands without compromise.
Features
- MLS head gaskets
- Steel Viton-coated base gaskets
- Blue Viton valve stem seals
- AFM material components
- Complete motor kit — all gaskets, seals, washers, and o-rings included
Specifications
- Brand: Cometic
- Manufacturer Part #: C9855F
- OE Reference #: 17026-91B
- Length: 22.6 in
- Width: 13.3 in
- Height: 1.8 in
- Weight: 1.75 lbs
Fitment
Fits Evo Sportster models. Verify your specific year and displacement before ordering to ensure compatibility.
Frequently Asked Questions
What's included in this gasket kit?
All gaskets, seals, washers, and o-rings needed for a complete engine overhaul.
What makes EST gaskets different from standard gaskets?
EST (Extreme Sealing Technology) uses MLS head gaskets and Viton-coated steel base gaskets designed for higher performance and reliability.
Does this fit my Evo Sportster?
This kit is for Evo Sportster models. Confirm your year and engine size match the OE part number 17026-91B before purchasing.
Is a gasket kit easier than buying individual gaskets?
Yes — kits include every seal and washer needed, eliminating the guesswork and extra trips to the parts counter.
| BRAND | Cometic |
| TYPE | Gaskets/Seals |
| SKU | 68-9855F |
| WEIGHT | 1.75 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★
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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
