What material are these head gaskets made from?

These S&S Cycle head gaskets are made from graphite. Graphite is a common material for head gaskets due to its ability to withstand high temperatures and pressures while maintaining a good seal.

What is the thickness of these head gaskets?

The head gaskets have a thickness of .043 inches. This specific thickness is important for ensuring proper compression and sealing when installed between the cylinder head and the cylinder.

Are these gaskets sold individually or as a set?

This product is sold as a 2-pack, meaning you receive two head gaskets. This is convenient as most Big Twin engines require one gasket per cylinder.

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Trusted Since 1957

Est. 1957

Specifications

Brand: S&S Cycle
Part #: 930-0100
UPC: 930-0100

S&S Cycle 1984+ BT 4-1/8in Head Gasket - 2 Pack

Name: S&S Cycle 1984+ BT 4-1/8in Head Gasket - 2 Pack
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-1984-bt-4-1-8in-head-gasket-2-pack-t14-661724
Price: 36.33 USD
Availability: BackOrder

$36.33

On Backorder — Expected to ship by May 7, 2026

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

S&S Cycle 4-1/8in Head Gasket - 2 Pack. Graphite construction for reliable sealing.

Key Features

Comes as a 2-pack for both cylinders.
Features a 4-1/8 inch diameter.
Constructed from graphite material.
Measures .043 inches thick.

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About this part

Product Details

This product includes a pair of S&S Cycle head gaskets, designed for 1984 and newer Big Twin (BT) motorcycles. These gaskets are made from graphite and measure 4-1/8 inches in diameter with a thickness of .043 inches. They are intended to create a solid seal between the cylinder head and the cylinder block, which is crucial for maintaining compression and preventing leaks in your engine.

The graphite material offers good sealing properties and can handle the heat and pressure found in a motorcycle engine. Having two gaskets in the pack means you have a matched set ready for installation on both cylinders. This is a straightforward component for anyone rebuilding or performing top-end work on their Big Twin.