What does the .030in overbore mean for my engine?

The .030 inch overbore indicates the gasket is designed for cylinders that have been bored out or honed by that amount. This helps ensure a proper seal between the cylinder head and the cylinder, especially after engine work.

What material are these head gaskets made from?

These head gaskets are made from layer steel. This is a common and well-regarded material for motorcycle head gaskets, known for its ability to create a strong seal.

Do I need to purchase anything else to install these head gaskets?

Typically, when installing head gaskets, you will also need to consider new head bolts or studs, and potentially new base gaskets for the cylinders. Always refer to the manufacturer's installation instructions for a complete list of recommended parts.

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Specifications

Brand: S&S Cycle
Part #: 900-0217
UPC: 900-0217

S&S Cycle 1999+ BT .030in 4-1/8in Bore Stock Pattern Head Gasket - 2 Pack

Name: S&S Cycle 1999+ BT .030in 4-1/8in Bore Stock Pattern Head Gasket - 2 Pack
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-1999-bt-030in-4-1-8in-bore-stock-pattern-head-gasket-2-pack-t14-661877
Price: 92.92 USD
Availability: BackOrder

$92.92

On Backorder

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

S&S Cycle head gasket set for 1999+ Big Twin. Features a .030in overbore for improved sealing.

Key Features

Fits 1999 and newer Big Twin models.
Features a .030 inch overbore for a precise fit.
Gasket bore size is 4-1/8 inches.
Constructed from layer steel for durability.
Comes as a 2-pack for both cylinder heads.

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About this part

Product Details

If you're rebuilding the top end of your 1999 and newer Big Twin motorcycle, getting the right head gasket is crucial for a solid seal. This set from S&S Cycle is designed to fit stock patterns and comes with a .030 inch overbore, which can help ensure a tight seal, especially if the cylinders have been honed or bored out. These are layer steel gaskets, a common and reliable material for this application.

You get two head gaskets in this package, making it convenient for completing both sides of the engine. S&S Cycle is a well-known name in performance motorcycle parts, and these gaskets are made to their standards for reliable performance in your engine build.