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Cometic Big Bore Head/Base Gasket Kit 4.5"

Item: 387602

Fits: 2017 Harley Davidson FLSTC Heritage Softail Classic

$60.72

In Stock - Ships Next Business Day!

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Fitment Guaranteed

Description Fitment Reviews Q&A

Cometic Big Bore Head/Base Gasket Kit 4.5"

  • High-quality products for long-term reliability
  • Manufactured from premium fuel-resistant materials that will not creep, crack or become brittle
  • Gaskets available in multiple types to best suit the intended application
  • Made in the USA
Specification Details
Bore 4-1/2 in.
Country of Origin USA
Engine Type Milwaukee Eight
Thickness 0.69mm

Vehicle Fitment

Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.

Harley Davidson
  • FLDE Softail Deluxe 2018-2020
  • FLFB Softail Fat Boy 2018-2019, 2025
  • FLFBS Softail Fat Boy 114 2018-2024
  • FLHC Softail Heritage Classic 2018-2021, 2025
  • FLHCS Softail Heritage Classic 114 2018-2024
  • FLHR Road King 2017-2021
  • FLHRXS Road King Special 2017-2023
  • FLHT Electra Glide Standard 2019-2022
  • FLHTCU Electra Glide Ultra Classic 2017-2019
  • FLHTCUL Electra Glide Ultra Classic Low 2017
  • FLHTK Electra Glide Ultra Limited 2017-2023
  • FLHTKL Electra Glide Ultra Limited Low 2017-2019
  • FLHX Street Glide 2017-2023
  • FLHXS Street Glide Special 2017-2023
  • FLS Softail Slim 2017
  • FLSB Softail Sport Glide 2018-2021
  • FLSL Softail Slim 2018-2021
  • FLSS Softail Slim S 2017
  • FLSTC Heritage Softail Classic 2017
  • FLSTF Softail Fat Boy 2017
  • FLSTFBS Softail Fat Boy S 2017
  • FLSTN Softail Deluxe 2017
  • FLTRU Road Glide Ultra 2017-2019
  • FLTRX Road Glide 2017-2023
  • FLTRXS Road Glide Special 2017-2023
  • FXBB Softail Street Bob 2018-2020
  • FXBR Softail Breakout 2018-2019
  • FXBRS Softail Breakout 114 2018-2020
  • FXDR Softail 114 2019-2020
  • FXFB Softail Fat Bob 2018-2019
  • FXFBS Softail Fat Bob 114 2018-2023
  • FXLR Softail Low Rider 2018-2020
  • FXSB Softail Breakout 2017

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