Specifications
- Brand
- S&S Cycle
- Part #
- 900-0821
- UPC
- 900-0821

S&S Cycle 1999+ BT .030in 4in Bore Stock Pattern Head Gasket - 2 Pack
$92.92
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S&S Cycle .030in 4in bore head gasket set for 1999+ Big Twin models. MLS construction.
Key Features
- Fits 1999 and newer Big Twin motorcycle engines.
- Designed for a 4-inch bore.
- Gaskets are 0.030 inch undersize, suitable for bored cylinders.
- Multi-Layer Steel (MLS) construction offers a strong seal.
- Stock pattern ensures proper alignment.
- Comes as a 2-pack for both cylinders.
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 for a 4-inch bore and is machined to be 0.030 inches undersize, which is important if you've bored your cylinders out to match. They use Multi-Layer Steel (MLS) construction, which is a well-built material that holds up well under the heat and pressure of an engine.
These gaskets are made to fit the stock pattern, meaning they'll align correctly with your cylinder heads and base. Having a good seal here prevents compression leaks and oil or coolant from getting into the combustion chamber, which is key for smooth engine operation. This is a 2-pack, so you'll have a gasket for each cylinder.
Specifications
- Brand
- S&S Cycle
- Manufacturer Part #
- 900-0821
- UPC
- 900-0821
Frequently Asked Questions
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S&S Cycle 1999+ BT .030in 4in Bore Stock Pattern Head Gasket - 2 Pack



