Product Description
Find the right fit with the NGK SPARK PLUGS SPARK PLUG NGK LMAR9D-J, available at Knobtown Cycle in Kansas City.
Key Features
- Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
- Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
- Triple seals prevent leakage
- Corrugated ribs prevent flashover
- Copper core aids in heat removal
Product Specifications
- Part Number: 21030304
- Brand: NGK SPARK PLUGS
- Weight: 1.00 lbs
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) |
0 |
| New York (NY) |
0 |
| Texas (TX) |
0 |
| Nevada (NV) |
0 |
| North Carolina (NC) |
0 |
| National Total |
0 |
Stock levels last updated: February 19, 2026 1:02 AM
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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