What is the bore size and thickness of these head gaskets?

These Twin Power head gaskets have a bore size of 3.750 inches and a thickness of .040 inches. This specific sizing is designed for certain Twin Cam Big Twin engine configurations.

Does this set include everything needed to install the head gaskets?

This set includes two Multi-Layer Steel head gaskets. It is recommended to inspect and clean your cylinder heads and cylinders thoroughly before installation, and refer to the manufacturer's service manual for any additional hardware or sealants that may be required.

What is the benefit of Multi-Layer Steel (MLS) head gaskets?

Multi-Layer Steel gaskets offer improved sealing performance and durability compared to older composite designs. They are better able to withstand the high temperatures and pressures found in modern V-twin engines, helping to prevent leaks.

Twin Power 99-11 Twin Cam Big Twin Head Gasket 3.750 Inch Bore .040 MLS Replaces H-D 16775-99 Pr

Specifications

Brand: TwinPower
Part #: 043177
UPC: 887337317533

Twin Power 99-11 Twin Cam Big Twin Head Gasket 3.750 Inch Bore .040 MLS Replaces H-D 16775-99 Pr

Name: Twin Power 99-11 Twin Cam Big Twin Head Gasket 3.750 Inch Bore .040 MLS Replaces H-D 16775-99 Pr
Brand: TwinPower
SKU: twinpower-twin-power-99-11-twin-cam-big-twin-head-gasket-3-750-inch-bore-040-mls-t14-702512
Price: 69.62 USD
Availability: BackOrder

$69.62

On Backorder

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Twin Power head gasket for 1999-2011 Harley-Davidson Twin Cam Big Twin engines. Ensures a solid seal for reliable performance.

Key Features

Fits 1999-2011 Harley-Davidson Twin Cam Big Twin models.
Multi-Layer Steel (MLS) construction for a durable, airtight seal.
Features a 3.750 inch bore and a .040 inch thickness.
Replaces Harley-Davidson part number 16775-99.
Includes two head gaskets per set.
Made in USA.

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Will this fit your vehicle?

Product Details

If you're rebuilding the top end of your 1999-2011 Harley-Davidson Twin Cam Big Twin, getting the head gaskets right is crucial for a solid seal. These Multi-Layer Steel (MLS) gaskets from Twin Power are built to provide an airtight seal and prevent leaks, keeping your engine running smoothly.

These gaskets are made in the USA and feature a 3.750-inch bore with a .040-inch thickness, designed to replace Harley-Davidson part number 16775-99. The MLS construction offers improved durability and sealing performance compared to older gasket types, especially under the heat and pressure cycles of a V-twin engine. They fit a wide range of Harley-Davidson models, including popular bikes like the Road King, Electra Glide, and Fat Boy.

This set includes two head gaskets, enough for one engine. Ensure your cylinder heads and cylinders are clean and flat before installation for the best possible seal.