Specifications
- Brand
- S&S Cycle
- Part #
- 90-4099
- UPC
- 90-4099

S&S Cycle 1999+ BT 4-1/8in Rocker Box Base Gasket - 10 Pack
$91.95
S&S Cycle graphite rocker box base gaskets for 1999+ Big Twin models. 4-1/8in size, 10 pack.
Key Features
- Fits 1999 and newer Big Twin motorcycle applications.
- Graphite construction handles heat and pressure for a reliable seal.
- 4-1/8 inch size for precise fitment.
- Comes as a 10 pack, providing multiple gaskets for your needs.
Product Details
If you're working on the top end of a 1999 or newer Big Twin motorcycle, these rocker box base gaskets from S&S Cycle are what you'll need. They are specifically made to seal the rocker box to the cylinder head, keeping oil where it belongs and preventing leaks.
These gaskets are constructed from graphite, a material known for its ability to handle heat and maintain a seal under pressure. This particular set comes with ten gaskets, so you'll have plenty on hand for multiple jobs or if you need to replace them again down the road. The 4-1/8 inch size is designed to fit the specified Big Twin applications precisely.
Specifications
- Brand
- S&S Cycle
- Manufacturer Part #
- 90-4099
- UPC
- 90-4099
Frequently Asked Questions
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S&S Cycle 1999+ BT 4-1/8in Rocker Box Base Gasket - 10 Pack



