90-2028 Valve seat. Exhaust. 1.575" OD
Fits: 84-17 V&T (Evo & Twin Cam) style en…
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Specifications
- Brand
- S&S
- Part Number
- 90-2028
- OEM Reference
- 56237-99A
- Pack Quantity
- Each
- Category
- Valves Exhaust
- VAT Rate
- 20%
About This Product
This S&S exhaust valve seat is a high-quality replacement part designed for S&S cylinder heads featuring 76cc and 79cc combustion chambers. With an outer diameter of 1.575 inches, it provides a durable surface for exhaust valves to seal against, ensuring consistent compression and performance. It fits 1984 to 2017 Evolution and Twin Cam style engines that utilize these specific chamber sizes. This seat is a reliable alternative to OEM 56237-99A, offering the precision and longevity you expect from S&S Cycle. It is sold individually, allowing for targeted repairs or full head overhauls as needed.
Manufacturer part number: 90-2028.
Fitment
6 models84-17 V&T (Evo & Twin Cam) style engines with 76 and 79cc chamber
Police 2 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2001 | Road King Police Escort FLHPEI |
| Harley-Davidson | 2001 | Road King Police FLHPI |
Touring 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2007 | Road King Classic FLHRC |
| Harley-Davidson | 2002–2006 | Road King Classic FLHRCI |
| Harley-Davidson | 2006–2007 | Road King FLHR |
| Harley-Davidson | 2002–2006 | Road King FLHRI |
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