COMETIC SKU: 68-9133

Cometic Evo Sportster EST Gasket Kit - Oe#17032-91 — Harley-Davidson Electra Glide Classic, Sportster 883, Softail Custom (1984-1999)

$199.41
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NOT SURE ABOUT FITMENT?

Cometic Evo Sportster EST Gasket Kit delivers a complete overhaul set of gaskets, seals, washers, and O-rings for Evo Sportster V-twin engines. EST (Extreme Sealing Technology) includes MLS head gaskets, steel Viton-coated base gaskets, blue Viton valve stem seals, and AFM material for superior sealing under high performance.

Features

  • MLS head gaskets
  • Steel Viton-coated base gaskets
  • Blue Viton valve stem seals
  • AFM material components
  • Complete motor kit — all gaskets and seals included

Specifications

  • Brand: Cometic
  • Manufacturer Part #: C9133
  • OE Part #: 17032-91
  • Weight: 1.74 lbs

Fitment

Fits Evo Sportster models with V-twin engines.

Frequently Asked Questions

What's included in this gasket kit?

Every gasket, seal, washer, and O-ring needed for a complete motor overhaul — head gaskets, base gaskets, valve stem seals, and more.

What is EST (Extreme Sealing Technology)?

EST is Cometic's gasket technology using MLS head gaskets, Viton-coated steel base gaskets, and AFM seals for superior sealing on high-performance engines.

Will this fit my Evo Sportster?

Yes — this kit is designed for Evo Sportster V-twin engines. Verify your engine type before ordering if you have a Twin Cam or Milwaukee-Eight.

Do I need to buy gaskets separately?

No — this is a complete kit with every gasket and seal needed for a full motor rebuild.

BRANDCometic
TYPEGaskets/Seals
SKU68-9133
WEIGHT1.74 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