Get the performance you need with the CHAMPION CHAMPION PLUG RN57YC-C, available now at Knobtown Cycle. Kansas City’s trusted source for quality motorcycle parts.
Product Description
CHAMPION PLUG RN57YC-C
- Copper Plus spark plug has a copper core center electrode that allows for accurate control of heat range, optimizing performance and longevity of the spark plug
- Patented SAC-9 semi-conductor resistor for maximum EMI and RFI suppression
- Patented Ultraseal™ coated shell for rust prevention
- Made in the USA
Part Locations
| Location |
Available |
| Wisconsin (WI) |
20+ |
| New York (NY) |
20+ |
| Texas (TX) |
0 |
| Nevada (NV) |
20+ |
| North Carolina (NC) |
0 |
| National Total |
20+ |
Stock levels last updated: December 26, 2025 1:54 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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