KIBBLEWHITE - 10-SC523 - Powdered Metal Valve Seats - '66-'84 Harley-Davidson Electra Glide Heritage, Electra Glide Standard, Electra Glide Special
10-SC523 is Kibblewhite's powdered-metal valve seat for '66-'84 Harley-Davidson engines, blending alloys through Powdered Metal Technology into a high-density seat with strong wear resistance, machinability, and thermal performance. It's been track- and street-tested across leaded and unleaded gasoline, ethanol, methanol, and both naturally aspirated and forced-induction setups. Applications typically use two intake and two exhaust seats unless otherwise noted. Made in the USA.
Features
- With the latest in Powdered Metal Technology a combination blend of alloys create a high density seat with exceptional wear resistance, machinabilty and thermal qualities
- Tested on the track and street, in high RPM multi-valve applications,with leaded and unleaded gasoline, ethanol, methanol, and in naturally aspirated and forced induction applications
- Made in the USA
- All applications use two intake and two exhaust seats, unless otherwise noted.
Specs
- Material: Cast Iron
- Material: Iron Alloy
- Model: Powdered Metal
- Inside Diameter: 1.562"
- Riding Style: Street
- Units: Each
- Outside Diameter: 2.0600"
- Product Name: Valve Seat
- Valve Seat Height: 0.450"
- Application: Exhaust
Frequently Asked Questions - KIBBLEWHITE - 10-SC523 - Powdered Metal Valve Seats - '66-'84 Harley-Davidson Electra Glide Heritage, Electra Glide Standard, Electra Glide Special
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.
