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

This Cometic head gasket is designed for a stock 3.570-inch bore and has a thickness of .060 inches. This specific sizing is important for achieving the correct compression ratio and seal in your engine.

Do I need to use any sealant with these head gaskets?

No, these Cometic MLS head gaskets are designed to be installed without any additional sealer. They are engineered to provide a reliable seal on their own when properly torqued.

What Harley-Davidson models does this gasket set fit?

This gasket set fits a broad range of Harley-Davidson EVO engine models produced between 1999 and 2011. Examples include many Road King, Electra Glide, Softail, and Dyna models.

Cometic Gasket Head Gasket .060in 3.570in Bore C9158

Name: Cometic Harley-Davidson 3.570in Stock Bore EVO .060 Head Gasket (Pair)
Brand: Cometic Gasket
SKU: cometic-gasket-cometic-harley-davidson-3-570in-stock-bore-evo-060-head-gasket-pa-t14-689026
Price: 93.39 USD
Availability: BackOrder

Cometic Harley-Davidson 3.570in Stock Bore EVO .060 Head Gasket (Pair)

$93.39

On Backorder

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

Cometic Harley-Davidson EVO .060 head gasket pair. Fits many Harley-Davidson models 1999-2011. No additional sealer needed.

Key Features

Fits a wide range of Harley-Davidson models from 1999-2011.
Designed for a stock 3.570-inch bore with a .060-inch thickness.
Multi-Layer Steel (MLS) construction handles high pressures and temperatures.
No additional sealer is needed for installation.
Proudly made in the USA with American-manufactured materials.

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Product Details

When you're rebuilding the top end of your Harley-Davidson EVO engine, getting the right head gasket is crucial for sealing combustion pressures. This Cometic gasket pair is designed for a stock 3.570-inch bore, with a thickness of .060 inches, ensuring a proper seal for your specific engine build. Cometic gaskets are made in the USA using materials manufactured domestically, reflecting a commitment to quality for demanding V-Twin applications.

These MLS (Multi-Layer Steel) gaskets are built to handle the increased horsepower, cylinder pressures, and temperatures common in today's performance-oriented engines. They are designed to be installed without any additional sealer, simplifying the assembly process and ensuring a reliable seal right out of the box. This makes them a solid option for both professional builders and experienced DIY mechanics working on their Harley-Davidson.

This gasket set fits a wide range of Harley-Davidson models from 1999 through 2011, including popular bikes like the Road King, Electra Glide, and Fat Boy. Always refer to the manufacturer's installation instructions for specific details regarding your application.