Cometic Evo Sportster EST Gasket Kit - Oe#17026-91b — Harley-Davidson Electra Glide Classic, Sportster 883, Softail Custom (1984-1999)

Cometic Evo Sportster EST gasket kit with Extreme Sealing Technology — a complete motor overhaul set containing MLS head gaskets, steel Viton-coated base gaskets, valve stem seals, and AFM material for V-Twin engines. Includes every gasket, seal, washer, and o-ring needed for a full teardown.

Features

• MLS head gaskets for superior sealing
• Steel Viton-coated base gaskets
• Blue Viton valve stem seals
• AFM material gaskets included
• Complete motor kit — all components in one box

Specifications

• Brand: Cometic
• Manufacturer Part #: C9124
• Kit Type: Complete Motor Overhaul
• Length: 24.3 in
• Width: 13.9 in
• Height: 1.6 in
• Weight: 1.61 lbs

Fitment

Fits Evo Sportster models and other V-Twin engines requiring an Evo Sportster EST gasket set.

Frequently Asked Questions

What's included in this complete kit?

Every gasket, seal, washer, and o-ring needed for a full motor overhaul — head gaskets, base gaskets, valve stem seals, and AFM material components.

What does EST mean?

EST stands for Extreme Sealing Technology — Cometic's advanced gasket design and materials engineered for high-performance V-Twin engines.

Will this fit my Evo Sportster?

Yes — this kit is designed for Evo Sportster models. Verify the OE number 17026-91b matches your engine before ordering.

Do I need to buy gaskets separately?

No — this is a complete kit. All gaskets and seals required for the job are included, eliminating multiple orders.