COMETIC SKU: 68-9749F

Cometic Evo Big Twin EST Gasket Kit — Harley-Davidson Electra Glide Classic, Softail Custom, Softail Heritage Classic (1984-1999)

$353.55
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Cometic Evo Big Twin EST gasket kit with MLS head gaskets, steel Viton-coated base gaskets, and blue Viton valve stem seals for a complete engine overhaul. Includes every gasket, seal, washer, and o-ring needed to rebuild Evo Big Twin engines to factory spec.

Features

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

Specifications

  • Brand: Cometic
  • Manufacturer Part #: C9749F
  • Weight: 1.74 lbs
  • Kit Type: Evo Big Twin EST

Fitment

Designed for V-Twin motorcycles with Evo Big Twin engines, particularly Harley-Davidson models requiring EST gasket specifications.

Frequently Asked Questions

What's included in this kit?

Every gasket, seal, washer, and o-ring needed for a complete Evo Big Twin engine overhaul.

Will this fit my Harley Evo Big Twin?

Yes, this kit is engineered for Harley-Davidson Evo Big Twin engines. Verify your engine type before ordering.

What makes MLS head gaskets better?

Multi-layer steel gaskets provide improved sealing under high combustion pressures compared to traditional single-layer designs.

Do I need any additional gaskets beyond this kit?

No — Cometic designed this as a complete overhaul kit with all necessary components for engine reassembly.

BRANDCometic
TYPEGaskets/Seals
SKU68-9749F
WEIGHT1.74 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.84
61 RATINGS
5★ 54
4★ 5
3★ 1
2★ 1
1★ 0
✓ VERIFIED
Jan 20, 2021

5 stars! fit perfect! snug enough to hold its self in place while installing exhaust, but not so tight as to cause gasket damage when inserting into place.

— Anonymous
✓ VERIFIED
Mar 25, 2022

I was shiped only one gasket. didnt i need 2?

— Anonymous
✓ VERIFIED
Nov 3, 2021

Perfect fit, excellent choice for replacing the OE PART

— Anonymous
✓ VERIFIED
May 19, 2026

Exactly what I was looking for

Perfect fit and great price

— Rich Q
✓ VERIFIED
Apr 5, 2026

Im going to order more stuff!!!

The donut was exactly as pictured online.The item was delivered faster than anything I've received that I can remember, except maybe Starbucks.Thats how fast it hit my doorstep.No problems whatsoever.

— Mark G
✓ VERIFIED
Feb 11, 2026

Won’t buy anything else

Good product only one that doesn’t get blown out

— Cory C