S&S CYCLE - 90-2053 - Valve Spring Kit - 0.550” Lift - Panhead | Shovelhead Engines '48-'84
Whether restoring a machine to factory spec or building something better, the S&S CYCLE 90-2053 gives you a spring kit that meets the demands of serious street use. Must allow additional rocker clearance for '48-'65 Panheads. Use with stock-style bottom collar, valve guides, valve with stock 3/8” stem and stock keepers, giving you a level of quality that holds up across the full service life of the component. Compatible with thin-stem valves if thicker keepers that maintain correct valve stem-top collar engagement are used. Late single bottom collars are included for use in S&S cylinder heads for shovels and stock late '81-'85 heads. To be used with cams with up to 0.550” lift.. The 90-2053 is the kind of component that earns its place in any build or repair by doing exactly what it is supposed to, every time. Sold as a complete kit.
Features
- Must allow additional rocker clearance for '48-'65 Panheads
- Use with stock-style bottom collar, valve guides, valve with stock 3/8” stem and stock keepers
- Compatible with thin-stem valves if thicker keepers that maintain correct valve stem-top collar engagement are used
- Late single bottom collars are included for use in S&S cylinder heads for shovels and stock late '81-'85 heads
- Made in the USA
- To be used with cams with up to 0.550” lift.
Specs
- Product Name: Spring Kit
- Spring Seat Pressure: 140 lb
- Units: Kit
- Material: Titanium
- Riding Style: Street
- Type: Valve
- Spring Lift: 0,550”
- Collar Material: Aluminum
- Spring Lift: 0.550”
- Application: Exhaust
Frequently Asked Questions - S&S CYCLE - 90-2053 - Valve Spring Kit - 0.550” Lift - Panhead | Shovelhead Engines '48-'84
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.
