Product Description
Knobtown Cycle stocks the NGK SPARK PLUGS SPARK PLUG NGK IFR6J11 to keep your bike performing at its best.
Key Features
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Corrugated ribs prevent flashover
- Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
- Copper core aids in heat removal
- Triple seals prevent leakage
Product Specifications
- Part Number: 21030585
- Brand: NGK SPARK PLUGS
- Weight: 0.10 lbs
- UPC: 087295176580
Professional Installation Available
Buy online or visit our Kansas City showroom. Contact us for installation service options! Free Ship to Store!
Part Locations
| Location |
Available |
| Wisconsin (WI) |
20+ |
| New York (NY) |
17 |
| Texas (TX) |
20+ |
| Nevada (NV) |
19 |
| North Carolina (NC) |
20+ |
| 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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