Product Description
Choose the NGK SPARK PLUGS SPARK PLUG SILMAR9A9S from Knobtown Cycle, Kansas City’s go-to shop for motorcycle parts.
Key Features
- Fine iridium tip ensures high durability and a consistently stable spark
- Trivalent metal plating for superior anti-corrosion and anti-seizing properties
- Outstanding acceleration, high fuel efficiency and durability
- Ultra-small-diameter center electrode reduces voltage requirement and extends ignition system life
- Metal shell plating has enhanced anticorrosion qualities
Product Specifications
- Part Number: 21030167
- Brand: NGK SPARK PLUGS
- Weight: 0.15 lbs
- UPC: 087295162132
Expert Installation Services
Professional installation services available. Contact our Kansas City service department! Free Ship to Store!
Part Locations
| Location |
Available |
| Wisconsin (WI) |
20+ |
| New York (NY) |
1 |
| Texas (TX) |
0 |
| Nevada (NV) |
0 |
| North Carolina (NC) |
0 |
| National Total |
20+ |
Stock levels last updated: January 30, 2026 8:09 PM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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