Cometic Evo Sportster EST Gasket Kit - Oe#17027-04b — Harley-Davidson Super Low, Iron 883, Sportster 1200 Custom (2007-2019)

Cometic Evo Sportster EST gasket kit containing all gaskets, seals, washers, and o-rings needed for a complete engine overhaul. Features MLS head gaskets, steel Viton-coated base gaskets, and Cometic's Extreme Sealing Technology for reliable V-twin performance.

Features

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

Specifications

• Brand: Cometic
• Manufacturer Part #: C9191
• OE Reference: 17027-04b
• Weight: 1.79 lbs

Fitment

Fits Harley-Davidson Evo Sportster models requiring EST gasket kits.

Frequently Asked Questions

What's included in this gasket kit?

All gaskets, seals, washers, and o-rings needed for a complete engine overhaul — head gaskets, base gaskets, valve stem seals, and more.

What is EST technology?

Extreme Sealing Technology — Cometic's advanced gasket design and materials engineered for higher performance in modern V-twin engines.

Will this work on Twin Cam or Milwaukee-Eight engines?

This kit is specific to Evo Sportster models. Twin Cam and Milwaukee-Eight engines require different Cometic part numbers.

Do I need any other gaskets or seals?

This is a complete kit — it includes every gasket, seal, washer, and o-ring needed for a full motor overhaul.