What is the bore size and thickness of this head gasket?

This Cometic head gasket is designed for a 3.937-inch bore and has a thickness of .030 inches. These specifications are important for ensuring a proper seal in specific engine configurations.

Which Harley-Davidson models does this gasket fit?

This gasket fits a variety of Harley-Davidson Milwaukee 8 models, including the FLFBS Fat Boy 114, FLHR Road King, and FLHX Street Glide, among others, typically from the 2017-2021 model years.

What is the purpose of a head gasket?

A head gasket seals the space between the cylinder head and the engine block. This prevents combustion gases from escaping the cylinders and keeps coolant and oil from mixing, ensuring the engine runs efficiently and without leaks.

Cometic Gasket Head Gasket C10164-030

Name: Cometic Harley-Davidson Milwaukee 8 3.937in Bore .030 Head Gasket
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-harley-davidson-milwaukee-8-3-937in-bore-030-head-gasket-t14-688776
Price: 64.50 USD
Availability: BackOrder

Cometic Harley-Davidson Milwaukee 8 3.937in Bore .030 Head Gasket

$64.50

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Cometic Gasket head gasket for Harley-Davidson Milwaukee 8 models with a 3.937in bore. Direct fit.

Key Features

Fits 2017-2021 Harley-Davidson Milwaukee 8 models.
Designed for a 3.937-inch bore.
Features a .030 inch thickness.
Provides a seal for the engine's cylinder head.

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Product Details

Cometic Gasket is known for making well-built gaskets for a wide range of applications, and this head gasket for Harley-Davidson Milwaukee 8 engines is no exception. This particular gasket is designed for a 3.937-inch bore and is .030 inches thick, making it a specific choice for certain engine builds or rebuilds where precise measurements are key.

This gasket fits a variety of Harley-Davidson models, including popular bikes like the FLFBS Fat Boy 114 and the FLHR Road King, covering years from 2017 through 2021 depending on the specific model. Its construction is intended to provide a solid seal between the cylinder head and the engine block, which is crucial for maintaining compression and preventing leaks of combustion gases or coolant.

When you're working on the top end of your Milwaukee 8 engine, using a gasket that matches your bore size and thickness requirements is essential for a successful rebuild. This Cometic gasket offers a direct fit for the specified Harley-Davidson applications.