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S&S Cycle engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full S&S Cycle lineup with fast shipping and expert fitment support — order with confidence.
Keep your Harley-Davidson Big Twin engine running smoothly with this convenient 10-pack of S&S Cycle 4-1/8 inch Rocker Box Base Gaskets. Designed for 1999 and newer Big Twin models, these gaskets are essential for maintaining a proper seal between the rocker box and the cylinder head, preventing oil leaks and ensuring optimal engine performance. S&S Cycle is renowned for its commitment to quality and performance, making these gaskets a reliable choice for any V-twin enthusiast.
This bulk pack is ideal for workshops or riders who perform frequent maintenance or rebuilds. A secure seal in the rocker box area is critical for preventing oil seepage, which can lead to performance degradation and potential engine damage. By using S&S Cycle gaskets, you are investing in the longevity and reliability of your Harley-Davidson engine. This specific gasket is designed to fit the larger 4-1/8 inch bore common in many performance Big Twin builds. Ensure your engine is protected and performing at its best with this essential component. Purchase your S&S Cycle 4-1/8in Rocker Box Base Gasket 10-Pack today at GGCRACING!
| Brand | S&S Cycle |
|---|---|
| Manufacturer part number | 90-4099 |
| GGC SKU | SSC90-4099 |
| UPC / GTIN | 90-4099 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 1 × 1 × 1 in |
|---|---|
| Shipping weight | 1 lb |
Universal fit — check measurements. Compare the dimensions and specifications on this page with your application before you order.
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