S&S CYCLE - 90-1497 - Cylinder Head Kit - Super Stock - Single Plug - O-Ring Style - Big Twin
The S&S CYCLE 90-1497 is a purpose-built cylinder head kit designed and tested to perform correctly in the conditions and applications it was made for. Heads come completely assembled with valve seats, valves, guides, seals, .590” lift valve springs, collars and valve keepers. Kit also includes rocker cover gaskets, head gaskets, exhaust flange gaskets and hardware for rocker housings, top engine mount and carb support bracket with instructions, giving you a level of quality that holds up across the full service life of the component. Features stock appearance, but flow better than stock heads. Use OEM manifolds and exhaust. Features: Single Spark Plug. The 90-1497 delivers exactly what riders need from a quality aftermarket component. Sold as a complete kit.
Features
- Heads come completely assembled with valve seats, valves, guides, seals, .590” lift valve springs, collars and valve keepers
- Kit also includes rocker cover gaskets, head gaskets, exhaust flange gaskets and hardware for rocker housings, top engine mount and carb support bracket with instructions
- Features stock appearance, but flow better than stock heads
- Use OEM manifolds and exhaust
- Made in the USA
Specs
- Features: Single Spark Plug
- Product Name: Cylinder Head Kit
- Riding Style: Street
- Style: O-Ring Intake
- Type: Stock Compression
- Bore Size: 3-5/8”
- Model: Super Stock
- Units: Kit
- Color/Finish: Aluminum
- Material: Aluminum
Frequently Asked Questions - S&S CYCLE - 90-1497 - Cylinder Head Kit - Super Stock - Single Plug - O-Ring Style - Big Twin
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
